Home / 82,860.10-124,290.15-59,704.90

Finding the Fourth Proportional to 82,860.10, 124,290.15 and 59,704.90

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Solution

The fourth proportional to 82,860.10, 124,290.15 and 59,704.90 is: 89,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.10 : 124,290.15 = 59,704.90 : x
  2. Step 2: Convert to fraction form
    82,860.10/124,290.15 = 59,704.90/x
  3. Step 3: Cross multiply
    82,860.10x = 124,290.15 × 59,704.90
  4. Step 4: Simplify right side
    82,860.10x = 7,420,730,976.74
  5. Step 5: Solve for x
    x = 7,420,730,976.74/82,860.10
  6. Step 6: Final answer
    x = 89,557.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.