Home / 53,691.68-74,149.63-40,241.63

Finding the Fourth Proportional to 53,691.68, 74,149.63 and 40,241.63

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Solution

The fourth proportional to 53,691.68, 74,149.63 and 40,241.63 is: 55,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.68 : 74,149.63 = 40,241.63 : x
  2. Step 2: Convert to fraction form
    53,691.68/74,149.63 = 40,241.63/x
  3. Step 3: Cross multiply
    53,691.68x = 74,149.63 × 40,241.63
  4. Step 4: Simplify right side
    53,691.68x = 2,983,901,604.35
  5. Step 5: Solve for x
    x = 2,983,901,604.35/53,691.68
  6. Step 6: Final answer
    x = 55,574.75

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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.