Home / 54,453.96-74,990.88-49,030.20

Finding the Fourth Proportional to 54,453.96, 74,990.88 and 49,030.20

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Solution

The fourth proportional to 54,453.96, 74,990.88 and 49,030.20 is: 67,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.96 : 74,990.88 = 49,030.20 : x
  2. Step 2: Convert to fraction form
    54,453.96/74,990.88 = 49,030.20/x
  3. Step 3: Cross multiply
    54,453.96x = 74,990.88 × 49,030.20
  4. Step 4: Simplify right side
    54,453.96x = 3,676,817,844.58
  5. Step 5: Solve for x
    x = 3,676,817,844.58/54,453.96
  6. Step 6: Final answer
    x = 67,521.59

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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.