Home / 51,065.98-76,542.19-38,545.40

Finding the Fourth Proportional to 51,065.98, 76,542.19 and 38,545.40

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Solution

The fourth proportional to 51,065.98, 76,542.19 and 38,545.40 is: 57,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.98 : 76,542.19 = 38,545.40 : x
  2. Step 2: Convert to fraction form
    51,065.98/76,542.19 = 38,545.40/x
  3. Step 3: Cross multiply
    51,065.98x = 76,542.19 × 38,545.40
  4. Step 4: Simplify right side
    51,065.98x = 2,950,349,425.42
  5. Step 5: Solve for x
    x = 2,950,349,425.42/51,065.98
  6. Step 6: Final answer
    x = 57,775.25

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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.