Home / 78,400.04-117,591.15-22,244.90

Finding the Fourth Proportional to 78,400.04, 117,591.15 and 22,244.90

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Solution

The fourth proportional to 78,400.04, 117,591.15 and 22,244.90 is: 33,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,400.04 : 117,591.15 = 22,244.90 : x
  2. Step 2: Convert to fraction form
    78,400.04/117,591.15 = 22,244.90/x
  3. Step 3: Cross multiply
    78,400.04x = 117,591.15 × 22,244.90
  4. Step 4: Simplify right side
    78,400.04x = 2,615,803,372.64
  5. Step 5: Solve for x
    x = 2,615,803,372.64/78,400.04
  6. Step 6: Final answer
    x = 33,364.82

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1.5x scale

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.