Home / 85,954.50-118,618.02-48,229.56

Finding the Fourth Proportional to 85,954.50, 118,618.02 and 48,229.56

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Solution

The fourth proportional to 85,954.50, 118,618.02 and 48,229.56 is: 66,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,954.50 : 118,618.02 = 48,229.56 : x
  2. Step 2: Convert to fraction form
    85,954.50/118,618.02 = 48,229.56/x
  3. Step 3: Cross multiply
    85,954.50x = 118,618.02 × 48,229.56
  4. Step 4: Simplify right side
    85,954.50x = 5,720,894,912.67
  5. Step 5: Solve for x
    x = 5,720,894,912.67/85,954.50
  6. Step 6: Final answer
    x = 66,557.25

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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.