Home / 127,591.32-191,387.10-61,015.80

Finding the Fourth Proportional to 127,591.32, 191,387.10 and 61,015.80

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Solution

The fourth proportional to 127,591.32, 191,387.10 and 61,015.80 is: 91,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,591.32 : 191,387.10 = 61,015.80 : x
  2. Step 2: Convert to fraction form
    127,591.32/191,387.10 = 61,015.80/x
  3. Step 3: Cross multiply
    127,591.32x = 191,387.10 × 61,015.80
  4. Step 4: Simplify right side
    127,591.32x = 11,677,637,016.18
  5. Step 5: Solve for x
    x = 11,677,637,016.18/127,591.32
  6. Step 6: Final answer
    x = 91,523.76

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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.