Home / 54,080.55-74,672.73-42,123.15

Finding the Fourth Proportional to 54,080.55, 74,672.73 and 42,123.15

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Solution

The fourth proportional to 54,080.55, 74,672.73 and 42,123.15 is: 58,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.55 : 74,672.73 = 42,123.15 : x
  2. Step 2: Convert to fraction form
    54,080.55/74,672.73 = 42,123.15/x
  3. Step 3: Cross multiply
    54,080.55x = 74,672.73 × 42,123.15
  4. Step 4: Simplify right side
    54,080.55x = 3,145,450,606.70
  5. Step 5: Solve for x
    x = 3,145,450,606.70/54,080.55
  6. Step 6: Final answer
    x = 58,162.33

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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.