Home / 93,770.20-140,720.10-67,497.40

Finding the Fourth Proportional to 93,770.20, 140,720.10 and 67,497.40

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Solution

The fourth proportional to 93,770.20, 140,720.10 and 67,497.40 is: 101,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,770.20 : 140,720.10 = 67,497.40 : x
  2. Step 2: Convert to fraction form
    93,770.20/140,720.10 = 67,497.40/x
  3. Step 3: Cross multiply
    93,770.20x = 140,720.10 × 67,497.40
  4. Step 4: Simplify right side
    93,770.20x = 9,498,240,877.74
  5. Step 5: Solve for x
    x = 9,498,240,877.74/93,770.20
  6. Step 6: Final answer
    x = 101,292.74

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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.