Home / 54,065.46-74,602.94-30,189.08

Finding the Fourth Proportional to 54,065.46, 74,602.94 and 30,189.08

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Solution

The fourth proportional to 54,065.46, 74,602.94 and 30,189.08 is: 41,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,065.46 : 74,602.94 = 30,189.08 : x
  2. Step 2: Convert to fraction form
    54,065.46/74,602.94 = 30,189.08/x
  3. Step 3: Cross multiply
    54,065.46x = 74,602.94 × 30,189.08
  4. Step 4: Simplify right side
    54,065.46x = 2,252,194,123.90
  5. Step 5: Solve for x
    x = 2,252,194,123.90/54,065.46
  6. Step 6: Final answer
    x = 41,656.80

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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.