Home / 112,707.13-155,535.78-62,406.13

Finding the Fourth Proportional to 112,707.13, 155,535.78 and 62,406.13

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Solution

The fourth proportional to 112,707.13, 155,535.78 and 62,406.13 is: 86,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,707.13 : 155,535.78 = 62,406.13 : x
  2. Step 2: Convert to fraction form
    112,707.13/155,535.78 = 62,406.13/x
  3. Step 3: Cross multiply
    112,707.13x = 155,535.78 × 62,406.13
  4. Step 4: Simplify right side
    112,707.13x = 9,706,386,106.33
  5. Step 5: Solve for x
    x = 9,706,386,106.33/112,707.13
  6. Step 6: Final answer
    x = 86,120.43

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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.