Home / 85,395.26-127,989.01-60,442.50

Finding the Fourth Proportional to 85,395.26, 127,989.01 and 60,442.50

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Solution

The fourth proportional to 85,395.26, 127,989.01 and 60,442.50 is: 90,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,395.26 : 127,989.01 = 60,442.50 : x
  2. Step 2: Convert to fraction form
    85,395.26/127,989.01 = 60,442.50/x
  3. Step 3: Cross multiply
    85,395.26x = 127,989.01 × 60,442.50
  4. Step 4: Simplify right side
    85,395.26x = 7,735,976,292.44
  5. Step 5: Solve for x
    x = 7,735,976,292.44/85,395.26
  6. Step 6: Final answer
    x = 90,590.23

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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.