Home / 54,740.53-75,548.66-30,866.72

Finding the Fourth Proportional to 54,740.53, 75,548.66 and 30,866.72

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Solution

The fourth proportional to 54,740.53, 75,548.66 and 30,866.72 is: 42,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.53 : 75,548.66 = 30,866.72 : x
  2. Step 2: Convert to fraction form
    54,740.53/75,548.66 = 30,866.72/x
  3. Step 3: Cross multiply
    54,740.53x = 75,548.66 × 30,866.72
  4. Step 4: Simplify right side
    54,740.53x = 2,331,939,180.26
  5. Step 5: Solve for x
    x = 2,331,939,180.26/54,740.53
  6. Step 6: Final answer
    x = 42,599.87

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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.