Home / 84,710.32-127,070.04-22,379.12

Finding the Fourth Proportional to 84,710.32, 127,070.04 and 22,379.12

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Solution

The fourth proportional to 84,710.32, 127,070.04 and 22,379.12 is: 33,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,710.32 : 127,070.04 = 22,379.12 : x
  2. Step 2: Convert to fraction form
    84,710.32/127,070.04 = 22,379.12/x
  3. Step 3: Cross multiply
    84,710.32x = 127,070.04 × 22,379.12
  4. Step 4: Simplify right side
    84,710.32x = 2,843,715,673.56
  5. Step 5: Solve for x
    x = 2,843,715,673.56/84,710.32
  6. Step 6: Final answer
    x = 33,569.88

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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.