Home / 97,239.38-134,189.55-54,218.36

Finding the Fourth Proportional to 97,239.38, 134,189.55 and 54,218.36

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Solution

The fourth proportional to 97,239.38, 134,189.55 and 54,218.36 is: 74,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,239.38 : 134,189.55 = 54,218.36 : x
  2. Step 2: Convert to fraction form
    97,239.38/134,189.55 = 54,218.36/x
  3. Step 3: Cross multiply
    97,239.38x = 134,189.55 × 54,218.36
  4. Step 4: Simplify right side
    97,239.38x = 7,275,537,330.14
  5. Step 5: Solve for x
    x = 7,275,537,330.14/97,239.38
  6. Step 6: Final answer
    x = 74,820.89

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1.5x scale

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.