Home / 97,903.40-135,116.24-54,890.24

Finding the Fourth Proportional to 97,903.40, 135,116.24 and 54,890.24

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Solution

The fourth proportional to 97,903.40, 135,116.24 and 54,890.24 is: 75,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,903.40 : 135,116.24 = 54,890.24 : x
  2. Step 2: Convert to fraction form
    97,903.40/135,116.24 = 54,890.24/x
  3. Step 3: Cross multiply
    97,903.40x = 135,116.24 × 54,890.24
  4. Step 4: Simplify right side
    97,903.40x = 7,416,561,891.47
  5. Step 5: Solve for x
    x = 7,416,561,891.47/97,903.40
  6. Step 6: Final answer
    x = 75,753.88

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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.