Home / 52,777.87-79,159.49-13,332.55

Finding the Fourth Proportional to 52,777.87, 79,159.49 and 13,332.55

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Solution

The fourth proportional to 52,777.87, 79,159.49 and 13,332.55 is: 19,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.87 : 79,159.49 = 13,332.55 : x
  2. Step 2: Convert to fraction form
    52,777.87/79,159.49 = 13,332.55/x
  3. Step 3: Cross multiply
    52,777.87x = 79,159.49 × 13,332.55
  4. Step 4: Simplify right side
    52,777.87x = 1,055,397,791.74
  5. Step 5: Solve for x
    x = 1,055,397,791.74/52,777.87
  6. Step 6: Final answer
    x = 19,996.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.