Home / 67,130.40-100,696.56-29,171.04

Finding the Fourth Proportional to 67,130.40, 100,696.56 and 29,171.04

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Solution

The fourth proportional to 67,130.40, 100,696.56 and 29,171.04 is: 43,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130.40 : 100,696.56 = 29,171.04 : x
  2. Step 2: Convert to fraction form
    67,130.40/100,696.56 = 29,171.04/x
  3. Step 3: Cross multiply
    67,130.40x = 100,696.56 × 29,171.04
  4. Step 4: Simplify right side
    67,130.40x = 2,937,423,379.62
  5. Step 5: Solve for x
    x = 2,937,423,379.62/67,130.40
  6. Step 6: Final answer
    x = 43,756.98

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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.