Home / 66,029.28-91,119.96-37,734.72

Finding the Fourth Proportional to 66,029.28, 91,119.96 and 37,734.72

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Solution

The fourth proportional to 66,029.28, 91,119.96 and 37,734.72 is: 52,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029.28 : 91,119.96 = 37,734.72 : x
  2. Step 2: Convert to fraction form
    66,029.28/91,119.96 = 37,734.72/x
  3. Step 3: Cross multiply
    66,029.28x = 91,119.96 × 37,734.72
  4. Step 4: Simplify right side
    66,029.28x = 3,438,386,177.01
  5. Step 5: Solve for x
    x = 3,438,386,177.01/66,029.28
  6. Step 6: Final answer
    x = 52,073.66

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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.