Home / 63,422.64-87,522.36-36,565.20

Finding the Fourth Proportional to 63,422.64, 87,522.36 and 36,565.20

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Solution

The fourth proportional to 63,422.64, 87,522.36 and 36,565.20 is: 50,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.64 : 87,522.36 = 36,565.20 : x
  2. Step 2: Convert to fraction form
    63,422.64/87,522.36 = 36,565.20/x
  3. Step 3: Cross multiply
    63,422.64x = 87,522.36 × 36,565.20
  4. Step 4: Simplify right side
    63,422.64x = 3,200,272,597.87
  5. Step 5: Solve for x
    x = 3,200,272,597.87/63,422.64
  6. Step 6: Final answer
    x = 50,459.47

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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.