Home / 97,162.84-134,085.18-54,722.12

Finding the Fourth Proportional to 97,162.84, 134,085.18 and 54,722.12

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Solution

The fourth proportional to 97,162.84, 134,085.18 and 54,722.12 is: 75,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,162.84 : 134,085.18 = 54,722.12 : x
  2. Step 2: Convert to fraction form
    97,162.84/134,085.18 = 54,722.12/x
  3. Step 3: Cross multiply
    97,162.84x = 134,085.18 × 54,722.12
  4. Step 4: Simplify right side
    97,162.84x = 7,337,425,310.18
  5. Step 5: Solve for x
    x = 7,337,425,310.18/97,162.84
  6. Step 6: Final answer
    x = 75,516.79

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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.