Home / 94,405.14-130,319.91-67,500.90

Finding the Fourth Proportional to 94,405.14, 130,319.91 and 67,500.90

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Solution

The fourth proportional to 94,405.14, 130,319.91 and 67,500.90 is: 93,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,405.14 : 130,319.91 = 67,500.90 : x
  2. Step 2: Convert to fraction form
    94,405.14/130,319.91 = 67,500.90/x
  3. Step 3: Cross multiply
    94,405.14x = 130,319.91 × 67,500.90
  4. Step 4: Simplify right side
    94,405.14x = 8,796,711,212.92
  5. Step 5: Solve for x
    x = 8,796,711,212.92/94,405.14
  6. Step 6: Final answer
    x = 93,180.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.