Home / 80,466.18-111,071.07-49,862.76

Finding the Fourth Proportional to 80,466.18, 111,071.07 and 49,862.76

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Solution

The fourth proportional to 80,466.18, 111,071.07 and 49,862.76 is: 68,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,466.18 : 111,071.07 = 49,862.76 : x
  2. Step 2: Convert to fraction form
    80,466.18/111,071.07 = 49,862.76/x
  3. Step 3: Cross multiply
    80,466.18x = 111,071.07 × 49,862.76
  4. Step 4: Simplify right side
    80,466.18x = 5,538,310,106.35
  5. Step 5: Solve for x
    x = 5,538,310,106.35/80,466.18
  6. Step 6: Final answer
    x = 68,827.80

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1.5x scale

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.