Home / 95,130.18-131,279.55-52,688.88

Finding the Fourth Proportional to 95,130.18, 131,279.55 and 52,688.88

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Solution

The fourth proportional to 95,130.18, 131,279.55 and 52,688.88 is: 72,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,130.18 : 131,279.55 = 52,688.88 : x
  2. Step 2: Convert to fraction form
    95,130.18/131,279.55 = 52,688.88/x
  3. Step 3: Cross multiply
    95,130.18x = 131,279.55 × 52,688.88
  4. Step 4: Simplify right side
    95,130.18x = 6,916,972,456.40
  5. Step 5: Solve for x
    x = 6,916,972,456.40/95,130.18
  6. Step 6: Final answer
    x = 72,710.60

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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.