Home / 97,218.08-134,174.85-54,780.56

Finding the Fourth Proportional to 97,218.08, 134,174.85 and 54,780.56

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Solution

The fourth proportional to 97,218.08, 134,174.85 and 54,780.56 is: 75,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218.08 : 134,174.85 = 54,780.56 : x
  2. Step 2: Convert to fraction form
    97,218.08/134,174.85 = 54,780.56/x
  3. Step 3: Cross multiply
    97,218.08x = 134,174.85 × 54,780.56
  4. Step 4: Simplify right side
    97,218.08x = 7,350,173,420.92
  5. Step 5: Solve for x
    x = 7,350,173,420.92/97,218.08
  6. Step 6: Final answer
    x = 75,605.00

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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.