Home / 54,575.46-75,318.50-30,700.70

Finding the Fourth Proportional to 54,575.46, 75,318.50 and 30,700.70

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Solution

The fourth proportional to 54,575.46, 75,318.50 and 30,700.70 is: 42,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.46 : 75,318.50 = 30,700.70 : x
  2. Step 2: Convert to fraction form
    54,575.46/75,318.50 = 30,700.70/x
  3. Step 3: Cross multiply
    54,575.46x = 75,318.50 × 30,700.70
  4. Step 4: Simplify right side
    54,575.46x = 2,312,330,672.95
  5. Step 5: Solve for x
    x = 2,312,330,672.95/54,575.46
  6. Step 6: Final answer
    x = 42,369.42

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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.