Home / 75,470.22-113,045.40-51,666.10

Finding the Fourth Proportional to 75,470.22, 113,045.40 and 51,666.10

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Solution

The fourth proportional to 75,470.22, 113,045.40 and 51,666.10 is: 77,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,470.22 : 113,045.40 = 51,666.10 : x
  2. Step 2: Convert to fraction form
    75,470.22/113,045.40 = 51,666.10/x
  3. Step 3: Cross multiply
    75,470.22x = 113,045.40 × 51,666.10
  4. Step 4: Simplify right side
    75,470.22x = 5,840,614,658.33
  5. Step 5: Solve for x
    x = 5,840,614,658.33/75,470.22
  6. Step 6: Final answer
    x = 77,389.66

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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.