Home / 115,723.15-173,658.44-77,341.30

Finding the Fourth Proportional to 115,723.15, 173,658.44 and 77,341.30

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Solution

The fourth proportional to 115,723.15, 173,658.44 and 77,341.30 is: 116,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,723.15 : 173,658.44 = 77,341.30 : x
  2. Step 2: Convert to fraction form
    115,723.15/173,658.44 = 77,341.30/x
  3. Step 3: Cross multiply
    115,723.15x = 173,658.44 × 77,341.30
  4. Step 4: Simplify right side
    115,723.15x = 13,430,969,505.57
  5. Step 5: Solve for x
    x = 13,430,969,505.57/115,723.15
  6. Step 6: Final answer
    x = 116,061.22

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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.