Home / 85,158.76-117,522.02-49,348.84

Finding the Fourth Proportional to 85,158.76, 117,522.02 and 49,348.84

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Solution

The fourth proportional to 85,158.76, 117,522.02 and 49,348.84 is: 68,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,158.76 : 117,522.02 = 49,348.84 : x
  2. Step 2: Convert to fraction form
    85,158.76/117,522.02 = 49,348.84/x
  3. Step 3: Cross multiply
    85,158.76x = 117,522.02 × 49,348.84
  4. Step 4: Simplify right side
    85,158.76x = 5,799,575,361.46
  5. Step 5: Solve for x
    x = 5,799,575,361.46/85,158.76
  6. Step 6: Final answer
    x = 68,103.10

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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.