Home / 85,359.16-127,867.26-42,535.42

Finding the Fourth Proportional to 85,359.16, 127,867.26 and 42,535.42

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Solution

The fourth proportional to 85,359.16, 127,867.26 and 42,535.42 is: 63,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,359.16 : 127,867.26 = 42,535.42 : x
  2. Step 2: Convert to fraction form
    85,359.16/127,867.26 = 42,535.42/x
  3. Step 3: Cross multiply
    85,359.16x = 127,867.26 × 42,535.42
  4. Step 4: Simplify right side
    85,359.16x = 5,438,887,608.35
  5. Step 5: Solve for x
    x = 5,438,887,608.35/85,359.16
  6. Step 6: Final answer
    x = 63,717.68

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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.