Home / 97,115.13-134,021.39-54,675.18

Finding the Fourth Proportional to 97,115.13, 134,021.39 and 54,675.18

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Solution

The fourth proportional to 97,115.13, 134,021.39 and 54,675.18 is: 75,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115.13 : 134,021.39 = 54,675.18 : x
  2. Step 2: Convert to fraction form
    97,115.13/134,021.39 = 54,675.18/x
  3. Step 3: Cross multiply
    97,115.13x = 134,021.39 × 54,675.18
  4. Step 4: Simplify right side
    97,115.13x = 7,327,643,622.10
  5. Step 5: Solve for x
    x = 7,327,643,622.10/97,115.13
  6. Step 6: Final answer
    x = 75,453.16

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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.