Home / 112,706.10-155,534.13-62,406.90

Finding the Fourth Proportional to 112,706.10, 155,534.13 and 62,406.90

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Solution

The fourth proportional to 112,706.10, 155,534.13 and 62,406.90 is: 86,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,706.10 : 155,534.13 = 62,406.90 : x
  2. Step 2: Convert to fraction form
    112,706.10/155,534.13 = 62,406.90/x
  3. Step 3: Cross multiply
    112,706.10x = 155,534.13 × 62,406.90
  4. Step 4: Simplify right side
    112,706.10x = 9,706,402,897.50
  5. Step 5: Solve for x
    x = 9,706,402,897.50/112,706.10
  6. Step 6: Final answer
    x = 86,121.36

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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.