Home / 104,304.89-143,932.88-58,987.13

Finding the Fourth Proportional to 104,304.89, 143,932.88 and 58,987.13

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Solution

The fourth proportional to 104,304.89, 143,932.88 and 58,987.13 is: 81,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,304.89 : 143,932.88 = 58,987.13 : x
  2. Step 2: Convert to fraction form
    104,304.89/143,932.88 = 58,987.13/x
  3. Step 3: Cross multiply
    104,304.89x = 143,932.88 × 58,987.13
  4. Step 4: Simplify right side
    104,304.89x = 8,490,186,931.64
  5. Step 5: Solve for x
    x = 8,490,186,931.64/104,304.89
  6. Step 6: Final answer
    x = 81,397.78

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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.