Home / 77,943.12-107,562.68-43,953.24

Finding the Fourth Proportional to 77,943.12, 107,562.68 and 43,953.24

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Solution

The fourth proportional to 77,943.12, 107,562.68 and 43,953.24 is: 60,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,943.12 : 107,562.68 = 43,953.24 : x
  2. Step 2: Convert to fraction form
    77,943.12/107,562.68 = 43,953.24/x
  3. Step 3: Cross multiply
    77,943.12x = 107,562.68 × 43,953.24
  4. Step 4: Simplify right side
    77,943.12x = 4,727,728,289.08
  5. Step 5: Solve for x
    x = 4,727,728,289.08/77,943.12
  6. Step 6: Final answer
    x = 60,656.13

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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.