Home / 97,115.91-134,038.56-54,674.43

Finding the Fourth Proportional to 97,115.91, 134,038.56 and 54,674.43

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Solution

The fourth proportional to 97,115.91, 134,038.56 and 54,674.43 is: 75,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115.91 : 134,038.56 = 54,674.43 : x
  2. Step 2: Convert to fraction form
    97,115.91/134,038.56 = 54,674.43/x
  3. Step 3: Cross multiply
    97,115.91x = 134,038.56 × 54,674.43
  4. Step 4: Simplify right side
    97,115.91x = 7,328,481,866.02
  5. Step 5: Solve for x
    x = 7,328,481,866.02/97,115.91
  6. Step 6: Final answer
    x = 75,461.19

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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.