Home / 83,565.14-115,320.79-45,324.74

Finding the Fourth Proportional to 83,565.14, 115,320.79 and 45,324.74

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Solution

The fourth proportional to 83,565.14, 115,320.79 and 45,324.74 is: 62,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,565.14 : 115,320.79 = 45,324.74 : x
  2. Step 2: Convert to fraction form
    83,565.14/115,320.79 = 45,324.74/x
  3. Step 3: Cross multiply
    83,565.14x = 115,320.79 × 45,324.74
  4. Step 4: Simplify right side
    83,565.14x = 5,226,884,823.34
  5. Step 5: Solve for x
    x = 5,226,884,823.34/83,565.14
  6. Step 6: Final answer
    x = 62,548.63

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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.