Home / 124,950.91-172,436.56-68,362.28

Finding the Fourth Proportional to 124,950.91, 172,436.56 and 68,362.28

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Solution

The fourth proportional to 124,950.91, 172,436.56 and 68,362.28 is: 94,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,950.91 : 172,436.56 = 68,362.28 : x
  2. Step 2: Convert to fraction form
    124,950.91/172,436.56 = 68,362.28/x
  3. Step 3: Cross multiply
    124,950.91x = 172,436.56 × 68,362.28
  4. Step 4: Simplify right side
    124,950.91x = 11,788,156,657.14
  5. Step 5: Solve for x
    x = 11,788,156,657.14/124,950.91
  6. Step 6: Final answer
    x = 94,342.31

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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.