Home / 98,964.82-136,572.96-56,523.43

Finding the Fourth Proportional to 98,964.82, 136,572.96 and 56,523.43

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Solution

The fourth proportional to 98,964.82, 136,572.96 and 56,523.43 is: 78,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,964.82 : 136,572.96 = 56,523.43 : x
  2. Step 2: Convert to fraction form
    98,964.82/136,572.96 = 56,523.43/x
  3. Step 3: Cross multiply
    98,964.82x = 136,572.96 × 56,523.43
  4. Step 4: Simplify right side
    98,964.82x = 7,719,572,144.45
  5. Step 5: Solve for x
    x = 7,719,572,144.45/98,964.82
  6. Step 6: Final answer
    x = 78,003.19

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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.