Home / 82,264.80-123,397.20-47,175.60

Finding the Fourth Proportional to 82,264.80, 123,397.20 and 47,175.60

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Solution

The fourth proportional to 82,264.80, 123,397.20 and 47,175.60 is: 70,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,264.80 : 123,397.20 = 47,175.60 : x
  2. Step 2: Convert to fraction form
    82,264.80/123,397.20 = 47,175.60/x
  3. Step 3: Cross multiply
    82,264.80x = 123,397.20 × 47,175.60
  4. Step 4: Simplify right side
    82,264.80x = 5,821,336,948.32
  5. Step 5: Solve for x
    x = 5,821,336,948.32/82,264.80
  6. Step 6: Final answer
    x = 70,763.40

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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.