Home / 95,187.31-131,341.79-54,332.78

Finding the Fourth Proportional to 95,187.31, 131,341.79 and 54,332.78

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Solution

The fourth proportional to 95,187.31, 131,341.79 and 54,332.78 is: 74,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,187.31 : 131,341.79 = 54,332.78 : x
  2. Step 2: Convert to fraction form
    95,187.31/131,341.79 = 54,332.78/x
  3. Step 3: Cross multiply
    95,187.31x = 131,341.79 × 54,332.78
  4. Step 4: Simplify right side
    95,187.31x = 7,136,164,060.00
  5. Step 5: Solve for x
    x = 7,136,164,060.00/95,187.31
  6. Step 6: Final answer
    x = 74,969.70

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1.5x scale

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.