Home / 124,882.29-187,235.82-45,986.40

Finding the Fourth Proportional to 124,882.29, 187,235.82 and 45,986.40

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Solution

The fourth proportional to 124,882.29, 187,235.82 and 45,986.40 is: 68,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,882.29 : 187,235.82 = 45,986.40 : x
  2. Step 2: Convert to fraction form
    124,882.29/187,235.82 = 45,986.40/x
  3. Step 3: Cross multiply
    124,882.29x = 187,235.82 × 45,986.40
  4. Step 4: Simplify right side
    124,882.29x = 8,610,301,312.85
  5. Step 5: Solve for x
    x = 8,610,301,312.85/124,882.29
  6. Step 6: Final answer
    x = 68,947.34

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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.