Home / 112,708.13-155,537.16-62,407.13

Finding the Fourth Proportional to 112,708.13, 155,537.16 and 62,407.13

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Solution

The fourth proportional to 112,708.13, 155,537.16 and 62,407.13 is: 86,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,708.13 : 155,537.16 = 62,407.13 : x
  2. Step 2: Convert to fraction form
    112,708.13/155,537.16 = 62,407.13/x
  3. Step 3: Cross multiply
    112,708.13x = 155,537.16 × 62,407.13
  4. Step 4: Simplify right side
    112,708.13x = 9,706,627,763.95
  5. Step 5: Solve for x
    x = 9,706,627,763.95/112,708.13
  6. Step 6: Final answer
    x = 86,121.81

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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.