Home / 97,317.12-134,301.42-54,874.76

Finding the Fourth Proportional to 97,317.12, 134,301.42 and 54,874.76

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Solution

The fourth proportional to 97,317.12, 134,301.42 and 54,874.76 is: 75,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,317.12 : 134,301.42 = 54,874.76 : x
  2. Step 2: Convert to fraction form
    97,317.12/134,301.42 = 54,874.76/x
  3. Step 3: Cross multiply
    97,317.12x = 134,301.42 × 54,874.76
  4. Step 4: Simplify right side
    97,317.12x = 7,369,758,190.16
  5. Step 5: Solve for x
    x = 7,369,758,190.16/97,317.12
  6. Step 6: Final answer
    x = 75,729.31

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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.