Home / 95,130.11-131,279.47-52,688.61

Finding the Fourth Proportional to 95,130.11, 131,279.47 and 52,688.61

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Solution

The fourth proportional to 95,130.11, 131,279.47 and 52,688.61 is: 72,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,130.11 : 131,279.47 = 52,688.61 : x
  2. Step 2: Convert to fraction form
    95,130.11/131,279.47 = 52,688.61/x
  3. Step 3: Cross multiply
    95,130.11x = 131,279.47 × 52,688.61
  4. Step 4: Simplify right side
    95,130.11x = 6,916,932,664.12
  5. Step 5: Solve for x
    x = 6,916,932,664.12/95,130.11
  6. Step 6: Final answer
    x = 72,710.23

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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.