Home / 52,979.40-73,114.04-29,108.30

Finding the Fourth Proportional to 52,979.40, 73,114.04 and 29,108.30

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Solution

The fourth proportional to 52,979.40, 73,114.04 and 29,108.30 is: 40,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.40 : 73,114.04 = 29,108.30 : x
  2. Step 2: Convert to fraction form
    52,979.40/73,114.04 = 29,108.30/x
  3. Step 3: Cross multiply
    52,979.40x = 73,114.04 × 29,108.30
  4. Step 4: Simplify right side
    52,979.40x = 2,128,225,117.73
  5. Step 5: Solve for x
    x = 2,128,225,117.73/52,979.40
  6. Step 6: Final answer
    x = 40,170.80

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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.