Home / 97,790.68-134,947.65-55,348.30

Finding the Fourth Proportional to 97,790.68, 134,947.65 and 55,348.30

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Solution

The fourth proportional to 97,790.68, 134,947.65 and 55,348.30 is: 76,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,790.68 : 134,947.65 = 55,348.30 : x
  2. Step 2: Convert to fraction form
    97,790.68/134,947.65 = 55,348.30/x
  3. Step 3: Cross multiply
    97,790.68x = 134,947.65 × 55,348.30
  4. Step 4: Simplify right side
    97,790.68x = 7,469,123,016.50
  5. Step 5: Solve for x
    x = 7,469,123,016.50/97,790.68
  6. Step 6: Final answer
    x = 76,378.68

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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.