Home / 54,327.04-74,973.36-30,454.20

Finding the Fourth Proportional to 54,327.04, 74,973.36 and 30,454.20

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Solution

The fourth proportional to 54,327.04, 74,973.36 and 30,454.20 is: 42,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.04 : 74,973.36 = 30,454.20 : x
  2. Step 2: Convert to fraction form
    54,327.04/74,973.36 = 30,454.20/x
  3. Step 3: Cross multiply
    54,327.04x = 74,973.36 × 30,454.20
  4. Step 4: Simplify right side
    54,327.04x = 2,283,253,700.11
  5. Step 5: Solve for x
    x = 2,283,253,700.11/54,327.04
  6. Step 6: Final answer
    x = 42,027.94

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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.