Home / 74,146.79-111,220.16-29,773.53

Finding the Fourth Proportional to 74,146.79, 111,220.16 and 29,773.53

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Solution

The fourth proportional to 74,146.79, 111,220.16 and 29,773.53 is: 44,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,146.79 : 111,220.16 = 29,773.53 : x
  2. Step 2: Convert to fraction form
    74,146.79/111,220.16 = 29,773.53/x
  3. Step 3: Cross multiply
    74,146.79x = 111,220.16 × 29,773.53
  4. Step 4: Simplify right side
    74,146.79x = 3,311,416,621.50
  5. Step 5: Solve for x
    x = 3,311,416,621.50/74,146.79
  6. Step 6: Final answer
    x = 44,660.28

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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.