Home / 63,037.41-87,117.03-51,689.31

Finding the Fourth Proportional to 63,037.41, 87,117.03 and 51,689.31

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Solution

The fourth proportional to 63,037.41, 87,117.03 and 51,689.31 is: 71,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,037.41 : 87,117.03 = 51,689.31 : x
  2. Step 2: Convert to fraction form
    63,037.41/87,117.03 = 51,689.31/x
  3. Step 3: Cross multiply
    63,037.41x = 87,117.03 × 51,689.31
  4. Step 4: Simplify right side
    63,037.41x = 4,503,019,169.95
  5. Step 5: Solve for x
    x = 4,503,019,169.95/63,037.41
  6. Step 6: Final answer
    x = 71,434.08

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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.