Home / 97,820.19-134,996.90-54,797.11

Finding the Fourth Proportional to 97,820.19, 134,996.90 and 54,797.11

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Solution

The fourth proportional to 97,820.19, 134,996.90 and 54,797.11 is: 75,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,820.19 : 134,996.90 = 54,797.11 : x
  2. Step 2: Convert to fraction form
    97,820.19/134,996.90 = 54,797.11/x
  3. Step 3: Cross multiply
    97,820.19x = 134,996.90 × 54,797.11
  4. Step 4: Simplify right side
    97,820.19x = 7,397,439,367.48
  5. Step 5: Solve for x
    x = 7,397,439,367.48/97,820.19
  6. Step 6: Final answer
    x = 75,622.83

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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.