Home / 77,932.14-107,582.16-45,662.28

Finding the Fourth Proportional to 77,932.14, 107,582.16 and 45,662.28

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Solution

The fourth proportional to 77,932.14, 107,582.16 and 45,662.28 is: 63,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,932.14 : 107,582.16 = 45,662.28 : x
  2. Step 2: Convert to fraction form
    77,932.14/107,582.16 = 45,662.28/x
  3. Step 3: Cross multiply
    77,932.14x = 107,582.16 × 45,662.28
  4. Step 4: Simplify right side
    77,932.14x = 4,912,446,712.92
  5. Step 5: Solve for x
    x = 4,912,446,712.92/77,932.14
  6. Step 6: Final answer
    x = 63,034.93

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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.