Home / 124,979.34-172,362.38-88,608.98

Finding the Fourth Proportional to 124,979.34, 172,362.38 and 88,608.98

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Solution

The fourth proportional to 124,979.34, 172,362.38 and 88,608.98 is: 122,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,979.34 : 172,362.38 = 88,608.98 : x
  2. Step 2: Convert to fraction form
    124,979.34/172,362.38 = 88,608.98/x
  3. Step 3: Cross multiply
    124,979.34x = 172,362.38 × 88,608.98
  4. Step 4: Simplify right side
    124,979.34x = 15,272,854,682.17
  5. Step 5: Solve for x
    x = 15,272,854,682.17/124,979.34
  6. Step 6: Final answer
    x = 122,203.04

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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.