Home / 54,323.80-74,965.40-30,452.02

Finding the Fourth Proportional to 54,323.80, 74,965.40 and 30,452.02

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Solution

The fourth proportional to 54,323.80, 74,965.40 and 30,452.02 is: 42,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.80 : 74,965.40 = 30,452.02 : x
  2. Step 2: Convert to fraction form
    54,323.80/74,965.40 = 30,452.02/x
  3. Step 3: Cross multiply
    54,323.80x = 74,965.40 × 30,452.02
  4. Step 4: Simplify right side
    54,323.80x = 2,282,847,860.11
  5. Step 5: Solve for x
    x = 2,282,847,860.11/54,323.80
  6. Step 6: Final answer
    x = 42,022.98

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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.