Home / 87,244.77-130,839.40-28,066.66

Finding the Fourth Proportional to 87,244.77, 130,839.40 and 28,066.66

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Solution

The fourth proportional to 87,244.77, 130,839.40 and 28,066.66 is: 42,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.77 : 130,839.40 = 28,066.66 : x
  2. Step 2: Convert to fraction form
    87,244.77/130,839.40 = 28,066.66/x
  3. Step 3: Cross multiply
    87,244.77x = 130,839.40 × 28,066.66
  4. Step 4: Simplify right side
    87,244.77x = 3,672,224,954.40
  5. Step 5: Solve for x
    x = 3,672,224,954.40/87,244.77
  6. Step 6: Final answer
    x = 42,091.06

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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.