Home / 85,303.04-127,954.56-43,723.52

Finding the Fourth Proportional to 85,303.04, 127,954.56 and 43,723.52

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Solution

The fourth proportional to 85,303.04, 127,954.56 and 43,723.52 is: 65,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303.04 : 127,954.56 = 43,723.52 : x
  2. Step 2: Convert to fraction form
    85,303.04/127,954.56 = 43,723.52/x
  3. Step 3: Cross multiply
    85,303.04x = 127,954.56 × 43,723.52
  4. Step 4: Simplify right side
    85,303.04x = 5,594,623,763.25
  5. Step 5: Solve for x
    x = 5,594,623,763.25/85,303.04
  6. Step 6: Final answer
    x = 65,585.28

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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.