Home / 85,307.36-117,685.94-49,476.52

Finding the Fourth Proportional to 85,307.36, 117,685.94 and 49,476.52

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Solution

The fourth proportional to 85,307.36, 117,685.94 and 49,476.52 is: 68,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307.36 : 117,685.94 = 49,476.52 : x
  2. Step 2: Convert to fraction form
    85,307.36/117,685.94 = 49,476.52/x
  3. Step 3: Cross multiply
    85,307.36x = 117,685.94 × 49,476.52
  4. Step 4: Simplify right side
    85,307.36x = 5,822,690,764.13
  5. Step 5: Solve for x
    x = 5,822,690,764.13/85,307.36
  6. Step 6: Final answer
    x = 68,255.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.