Home / 52,987.13-73,122.18-29,113.75

Finding the Fourth Proportional to 52,987.13, 73,122.18 and 29,113.75

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Solution

The fourth proportional to 52,987.13, 73,122.18 and 29,113.75 is: 40,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.13 : 73,122.18 = 29,113.75 : x
  2. Step 2: Convert to fraction form
    52,987.13/73,122.18 = 29,113.75/x
  3. Step 3: Cross multiply
    52,987.13x = 73,122.18 × 29,113.75
  4. Step 4: Simplify right side
    52,987.13x = 2,128,860,502.36
  5. Step 5: Solve for x
    x = 2,128,860,502.36/52,987.13
  6. Step 6: Final answer
    x = 40,176.94

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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.