Home / 47,516.40-71,188.20-38,703.60

Finding the Fourth Proportional to 47,516.40, 71,188.20 and 38,703.60

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Solution

The fourth proportional to 47,516.40, 71,188.20 and 38,703.60 is: 57,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,516.40 : 71,188.20 = 38,703.60 : x
  2. Step 2: Convert to fraction form
    47,516.40/71,188.20 = 38,703.60/x
  3. Step 3: Cross multiply
    47,516.40x = 71,188.20 × 38,703.60
  4. Step 4: Simplify right side
    47,516.40x = 2,755,239,617.52
  5. Step 5: Solve for x
    x = 2,755,239,617.52/47,516.40
  6. Step 6: Final answer
    x = 57,985.02

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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.