Home / 63,565.43-87,719.90-36,710.28

Finding the Fourth Proportional to 63,565.43, 87,719.90 and 36,710.28

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Solution

The fourth proportional to 63,565.43, 87,719.90 and 36,710.28 is: 50,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.43 : 87,719.90 = 36,710.28 : x
  2. Step 2: Convert to fraction form
    63,565.43/87,719.90 = 36,710.28/x
  3. Step 3: Cross multiply
    63,565.43x = 87,719.90 × 36,710.28
  4. Step 4: Simplify right side
    63,565.43x = 3,220,221,907.02
  5. Step 5: Solve for x
    x = 3,220,221,907.02/63,565.43
  6. Step 6: Final answer
    x = 50,659.96

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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.