Home / 62,740.18-86,578.49-34,059.20

Finding the Fourth Proportional to 62,740.18, 86,578.49 and 34,059.20

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Solution

The fourth proportional to 62,740.18, 86,578.49 and 34,059.20 is: 47,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,740.18 : 86,578.49 = 34,059.20 : x
  2. Step 2: Convert to fraction form
    62,740.18/86,578.49 = 34,059.20/x
  3. Step 3: Cross multiply
    62,740.18x = 86,578.49 × 34,059.20
  4. Step 4: Simplify right side
    62,740.18x = 2,948,794,408.20
  5. Step 5: Solve for x
    x = 2,948,794,408.20/62,740.18
  6. Step 6: Final answer
    x = 47,000.10

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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.