Home / 127,624.81-191,310.40-60,987.13

Finding the Fourth Proportional to 127,624.81, 191,310.40 and 60,987.13

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Solution

The fourth proportional to 127,624.81, 191,310.40 and 60,987.13 is: 91,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,624.81 : 191,310.40 = 60,987.13 : x
  2. Step 2: Convert to fraction form
    127,624.81/191,310.40 = 60,987.13/x
  3. Step 3: Cross multiply
    127,624.81x = 191,310.40 × 60,987.13
  4. Step 4: Simplify right side
    127,624.81x = 11,667,472,235.15
  5. Step 5: Solve for x
    x = 11,667,472,235.15/127,624.81
  6. Step 6: Final answer
    x = 91,420.09

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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.