Home / 77,932.64-107,549.52-44,400.80

Finding the Fourth Proportional to 77,932.64, 107,549.52 and 44,400.80

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Solution

The fourth proportional to 77,932.64, 107,549.52 and 44,400.80 is: 61,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,932.64 : 107,549.52 = 44,400.80 : x
  2. Step 2: Convert to fraction form
    77,932.64/107,549.52 = 44,400.80/x
  3. Step 3: Cross multiply
    77,932.64x = 107,549.52 × 44,400.80
  4. Step 4: Simplify right side
    77,932.64x = 4,775,284,727.62
  5. Step 5: Solve for x
    x = 4,775,284,727.62/77,932.64
  6. Step 6: Final answer
    x = 61,274.52

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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.