Home / 74,077.20-111,126.60-24,159.60

Finding the Fourth Proportional to 74,077.20, 111,126.60 and 24,159.60

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Solution

The fourth proportional to 74,077.20, 111,126.60 and 24,159.60 is: 36,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.20 : 111,126.60 = 24,159.60 : x
  2. Step 2: Convert to fraction form
    74,077.20/111,126.60 = 24,159.60/x
  3. Step 3: Cross multiply
    74,077.20x = 111,126.60 × 24,159.60
  4. Step 4: Simplify right side
    74,077.20x = 2,684,774,205.36
  5. Step 5: Solve for x
    x = 2,684,774,205.36/74,077.20
  6. Step 6: Final answer
    x = 36,242.92

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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.