Home / 124,064.72-186,115.53-57,511.57

Finding the Fourth Proportional to 124,064.72, 186,115.53 and 57,511.57

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Solution

The fourth proportional to 124,064.72, 186,115.53 and 57,511.57 is: 86,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.72 : 186,115.53 = 57,511.57 : x
  2. Step 2: Convert to fraction form
    124,064.72/186,115.53 = 57,511.57/x
  3. Step 3: Cross multiply
    124,064.72x = 186,115.53 × 57,511.57
  4. Step 4: Simplify right side
    124,064.72x = 10,703,796,331.68
  5. Step 5: Solve for x
    x = 10,703,796,331.68/124,064.72
  6. Step 6: Final answer
    x = 86,275.91

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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.