Home / 103,867.26-143,265.47-63,600.95

Finding the Fourth Proportional to 103,867.26, 143,265.47 and 63,600.95

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Solution

The fourth proportional to 103,867.26, 143,265.47 and 63,600.95 is: 87,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,867.26 : 143,265.47 = 63,600.95 : x
  2. Step 2: Convert to fraction form
    103,867.26/143,265.47 = 63,600.95/x
  3. Step 3: Cross multiply
    103,867.26x = 143,265.47 × 63,600.95
  4. Step 4: Simplify right side
    103,867.26x = 9,111,818,959.86
  5. Step 5: Solve for x
    x = 9,111,818,959.86/103,867.26
  6. Step 6: Final answer
    x = 87,725.61

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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.