Home / 99,994.24-138,001.68-59,707.68

Finding the Fourth Proportional to 99,994.24, 138,001.68 and 59,707.68

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Solution

The fourth proportional to 99,994.24, 138,001.68 and 59,707.68 is: 82,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994.24 : 138,001.68 = 59,707.68 : x
  2. Step 2: Convert to fraction form
    99,994.24/138,001.68 = 59,707.68/x
  3. Step 3: Cross multiply
    99,994.24x = 138,001.68 × 59,707.68
  4. Step 4: Simplify right side
    99,994.24x = 8,239,760,148.90
  5. Step 5: Solve for x
    x = 8,239,760,148.90/99,994.24
  6. Step 6: Final answer
    x = 82,402.35

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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.