Home / 88,273.52-121,818.03-47,987.63

Finding the Fourth Proportional to 88,273.52, 121,818.03 and 47,987.63

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Solution

The fourth proportional to 88,273.52, 121,818.03 and 47,987.63 is: 66,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.52 : 121,818.03 = 47,987.63 : x
  2. Step 2: Convert to fraction form
    88,273.52/121,818.03 = 47,987.63/x
  3. Step 3: Cross multiply
    88,273.52x = 121,818.03 × 47,987.63
  4. Step 4: Simplify right side
    88,273.52x = 5,845,758,550.97
  5. Step 5: Solve for x
    x = 5,845,758,550.97/88,273.52
  6. Step 6: Final answer
    x = 66,223.24

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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.