Home / 97,138.98-134,047.04-54,098.82

Finding the Fourth Proportional to 97,138.98, 134,047.04 and 54,098.82

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Solution

The fourth proportional to 97,138.98, 134,047.04 and 54,098.82 is: 74,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,138.98 : 134,047.04 = 54,098.82 : x
  2. Step 2: Convert to fraction form
    97,138.98/134,047.04 = 54,098.82/x
  3. Step 3: Cross multiply
    97,138.98x = 134,047.04 × 54,098.82
  4. Step 4: Simplify right side
    97,138.98x = 7,251,786,418.00
  5. Step 5: Solve for x
    x = 7,251,786,418.00/97,138.98
  6. Step 6: Final answer
    x = 74,653.72

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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.