Home / 60,307.80-90,432.44-18,180.02

Finding the Fourth Proportional to 60,307.80, 90,432.44 and 18,180.02

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Solution

The fourth proportional to 60,307.80, 90,432.44 and 18,180.02 is: 27,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.80 : 90,432.44 = 18,180.02 : x
  2. Step 2: Convert to fraction form
    60,307.80/90,432.44 = 18,180.02/x
  3. Step 3: Cross multiply
    60,307.80x = 90,432.44 × 18,180.02
  4. Step 4: Simplify right side
    60,307.80x = 1,644,063,567.85
  5. Step 5: Solve for x
    x = 1,644,063,567.85/60,307.80
  6. Step 6: Final answer
    x = 27,261.21

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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.