Home / 52,723.68-72,756.51-31,514.64

Finding the Fourth Proportional to 52,723.68, 72,756.51 and 31,514.64

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Solution

The fourth proportional to 52,723.68, 72,756.51 and 31,514.64 is: 43,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723.68 : 72,756.51 = 31,514.64 : x
  2. Step 2: Convert to fraction form
    52,723.68/72,756.51 = 31,514.64/x
  3. Step 3: Cross multiply
    52,723.68x = 72,756.51 × 31,514.64
  4. Step 4: Simplify right side
    52,723.68x = 2,292,895,220.31
  5. Step 5: Solve for x
    x = 2,292,895,220.31/52,723.68
  6. Step 6: Final answer
    x = 43,488.91

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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.