Home / 86,801.30-130,331.55-60,622.10

Finding the Fourth Proportional to 86,801.30, 130,331.55 and 60,622.10

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Solution

The fourth proportional to 86,801.30, 130,331.55 and 60,622.10 is: 91,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,801.30 : 130,331.55 = 60,622.10 : x
  2. Step 2: Convert to fraction form
    86,801.30/130,331.55 = 60,622.10/x
  3. Step 3: Cross multiply
    86,801.30x = 130,331.55 × 60,622.10
  4. Step 4: Simplify right side
    86,801.30x = 7,900,972,257.26
  5. Step 5: Solve for x
    x = 7,900,972,257.26/86,801.30
  6. Step 6: Final answer
    x = 91,023.66

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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.