Home / 100,527.24-138,710.97-58,089.72

Finding the Fourth Proportional to 100,527.24, 138,710.97 and 58,089.72

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Solution

The fourth proportional to 100,527.24, 138,710.97 and 58,089.72 is: 80,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,527.24 : 138,710.97 = 58,089.72 : x
  2. Step 2: Convert to fraction form
    100,527.24/138,710.97 = 58,089.72/x
  3. Step 3: Cross multiply
    100,527.24x = 138,710.97 × 58,089.72
  4. Step 4: Simplify right side
    100,527.24x = 8,057,681,408.23
  5. Step 5: Solve for x
    x = 8,057,681,408.23/100,527.24
  6. Step 6: Final answer
    x = 80,154.21

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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.