Home / 53,147.40-73,343.88-29,274.90

Finding the Fourth Proportional to 53,147.40, 73,343.88 and 29,274.90

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Solution

The fourth proportional to 53,147.40, 73,343.88 and 29,274.90 is: 40,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.40 : 73,343.88 = 29,274.90 : x
  2. Step 2: Convert to fraction form
    53,147.40/73,343.88 = 29,274.90/x
  3. Step 3: Cross multiply
    53,147.40x = 73,343.88 × 29,274.90
  4. Step 4: Simplify right side
    53,147.40x = 2,147,134,752.61
  5. Step 5: Solve for x
    x = 2,147,134,752.61/53,147.40
  6. Step 6: Final answer
    x = 40,399.62

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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.