Home / 78,994.85-118,468.17-41,534.60

Finding the Fourth Proportional to 78,994.85, 118,468.17 and 41,534.60

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Solution

The fourth proportional to 78,994.85, 118,468.17 and 41,534.60 is: 62,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,994.85 : 118,468.17 = 41,534.60 : x
  2. Step 2: Convert to fraction form
    78,994.85/118,468.17 = 41,534.60/x
  3. Step 3: Cross multiply
    78,994.85x = 118,468.17 × 41,534.60
  4. Step 4: Simplify right side
    78,994.85x = 4,920,527,461.34
  5. Step 5: Solve for x
    x = 4,920,527,461.34/78,994.85
  6. Step 6: Final answer
    x = 62,289.22

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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.