Home / 124,663.89-172,036.80-68,075.27

Finding the Fourth Proportional to 124,663.89, 172,036.80 and 68,075.27

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Solution

The fourth proportional to 124,663.89, 172,036.80 and 68,075.27 is: 93,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.89 : 172,036.80 = 68,075.27 : x
  2. Step 2: Convert to fraction form
    124,663.89/172,036.80 = 68,075.27/x
  3. Step 3: Cross multiply
    124,663.89x = 172,036.80 × 68,075.27
  4. Step 4: Simplify right side
    124,663.89x = 11,711,451,609.94
  5. Step 5: Solve for x
    x = 11,711,451,609.94/124,663.89
  6. Step 6: Final answer
    x = 93,944.22

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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.