Home / 124,552.08-186,711.48-45,645.12

Finding the Fourth Proportional to 124,552.08, 186,711.48 and 45,645.12

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Solution

The fourth proportional to 124,552.08, 186,711.48 and 45,645.12 is: 68,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,552.08 : 186,711.48 = 45,645.12 : x
  2. Step 2: Convert to fraction form
    124,552.08/186,711.48 = 45,645.12/x
  3. Step 3: Cross multiply
    124,552.08x = 186,711.48 × 45,645.12
  4. Step 4: Simplify right side
    124,552.08x = 8,522,467,909.98
  5. Step 5: Solve for x
    x = 8,522,467,909.98/124,552.08
  6. Step 6: Final answer
    x = 68,424.93

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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.