Home / 88,083.72-121,577.13-54,100.35

Finding the Fourth Proportional to 88,083.72, 121,577.13 and 54,100.35

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Solution

The fourth proportional to 88,083.72, 121,577.13 and 54,100.35 is: 74,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.72 : 121,577.13 = 54,100.35 : x
  2. Step 2: Convert to fraction form
    88,083.72/121,577.13 = 54,100.35/x
  3. Step 3: Cross multiply
    88,083.72x = 121,577.13 × 54,100.35
  4. Step 4: Simplify right side
    88,083.72x = 6,577,365,285.00
  5. Step 5: Solve for x
    x = 6,577,365,285.00/88,083.72
  6. Step 6: Final answer
    x = 74,671.75

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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.