Home / 67,631.68-93,364.24-45,008.40

Finding the Fourth Proportional to 67,631.68, 93,364.24 and 45,008.40

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Solution

The fourth proportional to 67,631.68, 93,364.24 and 45,008.40 is: 62,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,631.68 : 93,364.24 = 45,008.40 : x
  2. Step 2: Convert to fraction form
    67,631.68/93,364.24 = 45,008.40/x
  3. Step 3: Cross multiply
    67,631.68x = 93,364.24 × 45,008.40
  4. Step 4: Simplify right side
    67,631.68x = 4,202,175,059.62
  5. Step 5: Solve for x
    x = 4,202,175,059.62/67,631.68
  6. Step 6: Final answer
    x = 62,133.23

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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.