Home / 54,573.90-75,305.88-30,700.08

Finding the Fourth Proportional to 54,573.90, 75,305.88 and 30,700.08

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Solution

The fourth proportional to 54,573.90, 75,305.88 and 30,700.08 is: 42,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,573.90 : 75,305.88 = 30,700.08 : x
  2. Step 2: Convert to fraction form
    54,573.90/75,305.88 = 30,700.08/x
  3. Step 3: Cross multiply
    54,573.90x = 75,305.88 × 30,700.08
  4. Step 4: Simplify right side
    54,573.90x = 2,311,896,540.47
  5. Step 5: Solve for x
    x = 2,311,896,540.47/54,573.90
  6. Step 6: Final answer
    x = 42,362.68

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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.