Home / 87,388.56-130,973.40-37,409.76

Finding the Fourth Proportional to 87,388.56, 130,973.40 and 37,409.76

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Solution

The fourth proportional to 87,388.56, 130,973.40 and 37,409.76 is: 56,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,388.56 : 130,973.40 = 37,409.76 : x
  2. Step 2: Convert to fraction form
    87,388.56/130,973.40 = 37,409.76/x
  3. Step 3: Cross multiply
    87,388.56x = 130,973.40 × 37,409.76
  4. Step 4: Simplify right side
    87,388.56x = 4,899,683,460.38
  5. Step 5: Solve for x
    x = 4,899,683,460.38/87,388.56
  6. Step 6: Final answer
    x = 56,067.79

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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.