Home / 80,659.84-121,005.02-26,627.57

Finding the Fourth Proportional to 80,659.84, 121,005.02 and 26,627.57

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Solution

The fourth proportional to 80,659.84, 121,005.02 and 26,627.57 is: 39,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659.84 : 121,005.02 = 26,627.57 : x
  2. Step 2: Convert to fraction form
    80,659.84/121,005.02 = 26,627.57/x
  3. Step 3: Cross multiply
    80,659.84x = 121,005.02 × 26,627.57
  4. Step 4: Simplify right side
    80,659.84x = 3,222,069,640.40
  5. Step 5: Solve for x
    x = 3,222,069,640.40/80,659.84
  6. Step 6: Final answer
    x = 39,946.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.