Home / 63,707.12-87,915.60-35,028.66

Finding the Fourth Proportional to 63,707.12, 87,915.60 and 35,028.66

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Solution

The fourth proportional to 63,707.12, 87,915.60 and 35,028.66 is: 48,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,707.12 : 87,915.60 = 35,028.66 : x
  2. Step 2: Convert to fraction form
    63,707.12/87,915.60 = 35,028.66/x
  3. Step 3: Cross multiply
    63,707.12x = 87,915.60 × 35,028.66
  4. Step 4: Simplify right side
    63,707.12x = 3,079,565,661.10
  5. Step 5: Solve for x
    x = 3,079,565,661.10/63,707.12
  6. Step 6: Final answer
    x = 48,339.43

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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.