Home / 69,636.62-96,062.28-42,785.12

Finding the Fourth Proportional to 69,636.62, 96,062.28 and 42,785.12

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Solution

The fourth proportional to 69,636.62, 96,062.28 and 42,785.12 is: 59,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,636.62 : 96,062.28 = 42,785.12 : x
  2. Step 2: Convert to fraction form
    69,636.62/96,062.28 = 42,785.12/x
  3. Step 3: Cross multiply
    69,636.62x = 96,062.28 × 42,785.12
  4. Step 4: Simplify right side
    69,636.62x = 4,110,036,177.27
  5. Step 5: Solve for x
    x = 4,110,036,177.27/69,636.62
  6. Step 6: Final answer
    x = 59,021.19

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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.