Home / 52,326.20-72,400.31-45,625.79

Finding the Fourth Proportional to 52,326.20, 72,400.31 and 45,625.79

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Solution

The fourth proportional to 52,326.20, 72,400.31 and 45,625.79 is: 63,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,326.20 : 72,400.31 = 45,625.79 : x
  2. Step 2: Convert to fraction form
    52,326.20/72,400.31 = 45,625.79/x
  3. Step 3: Cross multiply
    52,326.20x = 72,400.31 × 45,625.79
  4. Step 4: Simplify right side
    52,326.20x = 3,303,320,749.86
  5. Step 5: Solve for x
    x = 3,303,320,749.86/52,326.20
  6. Step 6: Final answer
    x = 63,129.39

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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.