Home / 78,924.17-118,382.41-29,000.43

Finding the Fourth Proportional to 78,924.17, 118,382.41 and 29,000.43

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Solution

The fourth proportional to 78,924.17, 118,382.41 and 29,000.43 is: 43,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,924.17 : 118,382.41 = 29,000.43 : x
  2. Step 2: Convert to fraction form
    78,924.17/118,382.41 = 29,000.43/x
  3. Step 3: Cross multiply
    78,924.17x = 118,382.41 × 29,000.43
  4. Step 4: Simplify right side
    78,924.17x = 3,433,140,830.69
  5. Step 5: Solve for x
    x = 3,433,140,830.69/78,924.17
  6. Step 6: Final answer
    x = 43,499.23

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1.5x scale

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.