Home / 52,739.80-72,777.26-30,079.74

Finding the Fourth Proportional to 52,739.80, 72,777.26 and 30,079.74

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Solution

The fourth proportional to 52,739.80, 72,777.26 and 30,079.74 is: 41,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739.80 : 72,777.26 = 30,079.74 : x
  2. Step 2: Convert to fraction form
    52,739.80/72,777.26 = 30,079.74/x
  3. Step 3: Cross multiply
    52,739.80x = 72,777.26 × 30,079.74
  4. Step 4: Simplify right side
    52,739.80x = 2,189,121,058.71
  5. Step 5: Solve for x
    x = 2,189,121,058.71/52,739.80
  6. Step 6: Final answer
    x = 41,507.95

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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.