Home / 81,342.29-112,251.22-45,532.26

Finding the Fourth Proportional to 81,342.29, 112,251.22 and 45,532.26

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Solution

The fourth proportional to 81,342.29, 112,251.22 and 45,532.26 is: 62,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,342.29 : 112,251.22 = 45,532.26 : x
  2. Step 2: Convert to fraction form
    81,342.29/112,251.22 = 45,532.26/x
  3. Step 3: Cross multiply
    81,342.29x = 112,251.22 × 45,532.26
  4. Step 4: Simplify right side
    81,342.29x = 5,111,051,620.53
  5. Step 5: Solve for x
    x = 5,111,051,620.53/81,342.29
  6. Step 6: Final answer
    x = 62,833.88

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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.