Home / 88,203.27-121,721.37-47,917.35

Finding the Fourth Proportional to 88,203.27, 121,721.37 and 47,917.35

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Solution

The fourth proportional to 88,203.27, 121,721.37 and 47,917.35 is: 66,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,203.27 : 121,721.37 = 47,917.35 : x
  2. Step 2: Convert to fraction form
    88,203.27/121,721.37 = 47,917.35/x
  3. Step 3: Cross multiply
    88,203.27x = 121,721.37 × 47,917.35
  4. Step 4: Simplify right side
    88,203.27x = 5,832,565,488.77
  5. Step 5: Solve for x
    x = 5,832,565,488.77/88,203.27
  6. Step 6: Final answer
    x = 66,126.41

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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.