Home / 82,660.40-123,999.26-35,280.53

Finding the Fourth Proportional to 82,660.40, 123,999.26 and 35,280.53

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Solution

The fourth proportional to 82,660.40, 123,999.26 and 35,280.53 is: 52,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,660.40 : 123,999.26 = 35,280.53 : x
  2. Step 2: Convert to fraction form
    82,660.40/123,999.26 = 35,280.53/x
  3. Step 3: Cross multiply
    82,660.40x = 123,999.26 × 35,280.53
  4. Step 4: Simplify right side
    82,660.40x = 4,374,759,612.41
  5. Step 5: Solve for x
    x = 4,374,759,612.41/82,660.40
  6. Step 6: Final answer
    x = 52,924.49

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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.