Home / 69,971.32-96,562.70-39,754.85

Finding the Fourth Proportional to 69,971.32, 96,562.70 and 39,754.85

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Solution

The fourth proportional to 69,971.32, 96,562.70 and 39,754.85 is: 54,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.32 : 96,562.70 = 39,754.85 : x
  2. Step 2: Convert to fraction form
    69,971.32/96,562.70 = 39,754.85/x
  3. Step 3: Cross multiply
    69,971.32x = 96,562.70 × 39,754.85
  4. Step 4: Simplify right side
    69,971.32x = 3,838,835,654.10
  5. Step 5: Solve for x
    x = 3,838,835,654.10/69,971.32
  6. Step 6: Final answer
    x = 54,862.99

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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.