Home / 47,766.20-71,663.70-25,590.20

Finding the Fourth Proportional to 47,766.20, 71,663.70 and 25,590.20

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Solution

The fourth proportional to 47,766.20, 71,663.70 and 25,590.20 is: 38,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,766.20 : 71,663.70 = 25,590.20 : x
  2. Step 2: Convert to fraction form
    47,766.20/71,663.70 = 25,590.20/x
  3. Step 3: Cross multiply
    47,766.20x = 71,663.70 × 25,590.20
  4. Step 4: Simplify right side
    47,766.20x = 1,833,888,415.74
  5. Step 5: Solve for x
    x = 1,833,888,415.74/47,766.20
  6. Step 6: Final answer
    x = 38,393.01

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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.