Home / 67,490.20-101,177.70-47,706.52

Finding the Fourth Proportional to 67,490.20, 101,177.70 and 47,706.52

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Solution

The fourth proportional to 67,490.20, 101,177.70 and 47,706.52 is: 71,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,490.20 : 101,177.70 = 47,706.52 : x
  2. Step 2: Convert to fraction form
    67,490.20/101,177.70 = 47,706.52/x
  3. Step 3: Cross multiply
    67,490.20x = 101,177.70 × 47,706.52
  4. Step 4: Simplify right side
    67,490.20x = 4,826,835,968.60
  5. Step 5: Solve for x
    x = 4,826,835,968.60/67,490.20
  6. Step 6: Final answer
    x = 71,519.06

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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.