Home / 97,122.82-134,042.26-54,689.62

Finding the Fourth Proportional to 97,122.82, 134,042.26 and 54,689.62

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Solution

The fourth proportional to 97,122.82, 134,042.26 and 54,689.62 is: 75,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,122.82 : 134,042.26 = 54,689.62 : x
  2. Step 2: Convert to fraction form
    97,122.82/134,042.26 = 54,689.62/x
  3. Step 3: Cross multiply
    97,122.82x = 134,042.26 × 54,689.62
  4. Step 4: Simplify right side
    97,122.82x = 7,330,720,263.34
  5. Step 5: Solve for x
    x = 7,330,720,263.34/97,122.82
  6. Step 6: Final answer
    x = 75,478.87

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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.