Home / 124,747.08-172,151.06-67,386.42

Finding the Fourth Proportional to 124,747.08, 172,151.06 and 67,386.42

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Solution

The fourth proportional to 124,747.08, 172,151.06 and 67,386.42 is: 92,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,747.08 : 172,151.06 = 67,386.42 : x
  2. Step 2: Convert to fraction form
    124,747.08/172,151.06 = 67,386.42/x
  3. Step 3: Cross multiply
    124,747.08x = 172,151.06 × 67,386.42
  4. Step 4: Simplify right side
    124,747.08x = 11,600,643,295.67
  5. Step 5: Solve for x
    x = 11,600,643,295.67/124,747.08
  6. Step 6: Final answer
    x = 92,993.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.