Home / 54,114.92-74,699.47-48,439.66

Finding the Fourth Proportional to 54,114.92, 74,699.47 and 48,439.66

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Solution

The fourth proportional to 54,114.92, 74,699.47 and 48,439.66 is: 66,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.92 : 74,699.47 = 48,439.66 : x
  2. Step 2: Convert to fraction form
    54,114.92/74,699.47 = 48,439.66/x
  3. Step 3: Cross multiply
    54,114.92x = 74,699.47 × 48,439.66
  4. Step 4: Simplify right side
    54,114.92x = 3,618,416,555.48
  5. Step 5: Solve for x
    x = 3,618,416,555.48/54,114.92
  6. Step 6: Final answer
    x = 66,865.41

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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.