Home / 124,996.23-172,490.54-71,298.63

Finding the Fourth Proportional to 124,996.23, 172,490.54 and 71,298.63

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Solution

The fourth proportional to 124,996.23, 172,490.54 and 71,298.63 is: 98,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996.23 : 172,490.54 = 71,298.63 : x
  2. Step 2: Convert to fraction form
    124,996.23/172,490.54 = 71,298.63/x
  3. Step 3: Cross multiply
    124,996.23x = 172,490.54 × 71,298.63
  4. Step 4: Simplify right side
    124,996.23x = 12,298,339,189.96
  5. Step 5: Solve for x
    x = 12,298,339,189.96/124,996.23
  6. Step 6: Final answer
    x = 98,389.68

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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.