Home / 88,781.34-122,521.85-51,055.59

Finding the Fourth Proportional to 88,781.34, 122,521.85 and 51,055.59

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Solution

The fourth proportional to 88,781.34, 122,521.85 and 51,055.59 is: 70,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,781.34 : 122,521.85 = 51,055.59 : x
  2. Step 2: Convert to fraction form
    88,781.34/122,521.85 = 51,055.59/x
  3. Step 3: Cross multiply
    88,781.34x = 122,521.85 × 51,055.59
  4. Step 4: Simplify right side
    88,781.34x = 6,255,425,339.64
  5. Step 5: Solve for x
    x = 6,255,425,339.64/88,781.34
  6. Step 6: Final answer
    x = 70,458.78

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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.