Home / 90,978.74-136,449.29-24,403.04

Finding the Fourth Proportional to 90,978.74, 136,449.29 and 24,403.04

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Solution

The fourth proportional to 90,978.74, 136,449.29 and 24,403.04 is: 36,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,978.74 : 136,449.29 = 24,403.04 : x
  2. Step 2: Convert to fraction form
    90,978.74/136,449.29 = 24,403.04/x
  3. Step 3: Cross multiply
    90,978.74x = 136,449.29 × 24,403.04
  4. Step 4: Simplify right side
    90,978.74x = 3,329,776,860.60
  5. Step 5: Solve for x
    x = 3,329,776,860.60/90,978.74
  6. Step 6: Final answer
    x = 36,599.50

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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.