Home / 101,250.91-139,718.17-58,812.18

Finding the Fourth Proportional to 101,250.91, 139,718.17 and 58,812.18

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Solution

The fourth proportional to 101,250.91, 139,718.17 and 58,812.18 is: 81,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.91 : 139,718.17 = 58,812.18 : x
  2. Step 2: Convert to fraction form
    101,250.91/139,718.17 = 58,812.18/x
  3. Step 3: Cross multiply
    101,250.91x = 139,718.17 × 58,812.18
  4. Step 4: Simplify right side
    101,250.91x = 8,217,129,382.06
  5. Step 5: Solve for x
    x = 8,217,129,382.06/101,250.91
  6. Step 6: Final answer
    x = 81,156.10

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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.