Home / 85,307.04-127,960.56-43,727.52

Finding the Fourth Proportional to 85,307.04, 127,960.56 and 43,727.52

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Solution

The fourth proportional to 85,307.04, 127,960.56 and 43,727.52 is: 65,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307.04 : 127,960.56 = 43,727.52 : x
  2. Step 2: Convert to fraction form
    85,307.04/127,960.56 = 43,727.52/x
  3. Step 3: Cross multiply
    85,307.04x = 127,960.56 × 43,727.52
  4. Step 4: Simplify right side
    85,307.04x = 5,595,397,946.61
  5. Step 5: Solve for x
    x = 5,595,397,946.61/85,307.04
  6. Step 6: Final answer
    x = 65,591.28

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.