Home / 63,565.16-87,719.64-35,270.78

Finding the Fourth Proportional to 63,565.16, 87,719.64 and 35,270.78

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Solution

The fourth proportional to 63,565.16, 87,719.64 and 35,270.78 is: 48,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.16 : 87,719.64 = 35,270.78 : x
  2. Step 2: Convert to fraction form
    63,565.16/87,719.64 = 35,270.78/x
  3. Step 3: Cross multiply
    63,565.16x = 87,719.64 × 35,270.78
  4. Step 4: Simplify right side
    63,565.16x = 3,093,940,124.12
  5. Step 5: Solve for x
    x = 3,093,940,124.12/63,565.16
  6. Step 6: Final answer
    x = 48,673.52

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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.