Home / 65,600.28-90,585.54-51,428.52

Finding the Fourth Proportional to 65,600.28, 90,585.54 and 51,428.52

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Solution

The fourth proportional to 65,600.28, 90,585.54 and 51,428.52 is: 71,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,600.28 : 90,585.54 = 51,428.52 : x
  2. Step 2: Convert to fraction form
    65,600.28/90,585.54 = 51,428.52/x
  3. Step 3: Cross multiply
    65,600.28x = 90,585.54 × 51,428.52
  4. Step 4: Simplify right side
    65,600.28x = 4,658,680,255.60
  5. Step 5: Solve for x
    x = 4,658,680,255.60/65,600.28
  6. Step 6: Final answer
    x = 71,016.16

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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.