Home / 83,925.47-125,886.96-20,745.60

Finding the Fourth Proportional to 83,925.47, 125,886.96 and 20,745.60

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Solution

The fourth proportional to 83,925.47, 125,886.96 and 20,745.60 is: 31,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,925.47 : 125,886.96 = 20,745.60 : x
  2. Step 2: Convert to fraction form
    83,925.47/125,886.96 = 20,745.60/x
  3. Step 3: Cross multiply
    83,925.47x = 125,886.96 × 20,745.60
  4. Step 4: Simplify right side
    83,925.47x = 2,611,600,517.38
  5. Step 5: Solve for x
    x = 2,611,600,517.38/83,925.47
  6. Step 6: Final answer
    x = 31,118.09

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1.5x scale

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.