Home / 112,411.13-155,138.70-62,110.13

Finding the Fourth Proportional to 112,411.13, 155,138.70 and 62,110.13

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Solution

The fourth proportional to 112,411.13, 155,138.70 and 62,110.13 is: 85,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,411.13 : 155,138.70 = 62,110.13 : x
  2. Step 2: Convert to fraction form
    112,411.13/155,138.70 = 62,110.13/x
  3. Step 3: Cross multiply
    112,411.13x = 155,138.70 × 62,110.13
  4. Step 4: Simplify right side
    112,411.13x = 9,635,684,049.34
  5. Step 5: Solve for x
    x = 9,635,684,049.34/112,411.13
  6. Step 6: Final answer
    x = 85,718.24

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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.