Home / 52,981.75-73,115.63-29,108.89

Finding the Fourth Proportional to 52,981.75, 73,115.63 and 29,108.89

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Solution

The fourth proportional to 52,981.75, 73,115.63 and 29,108.89 is: 40,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,981.75 : 73,115.63 = 29,108.89 : x
  2. Step 2: Convert to fraction form
    52,981.75/73,115.63 = 29,108.89/x
  3. Step 3: Cross multiply
    52,981.75x = 73,115.63 × 29,108.89
  4. Step 4: Simplify right side
    52,981.75x = 2,128,314,830.95
  5. Step 5: Solve for x
    x = 2,128,314,830.95/52,981.75
  6. Step 6: Final answer
    x = 40,170.72

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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.