Home / 54,572.88-75,304.50-30,699.08

Finding the Fourth Proportional to 54,572.88, 75,304.50 and 30,699.08

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Solution

The fourth proportional to 54,572.88, 75,304.50 and 30,699.08 is: 42,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.88 : 75,304.50 = 30,699.08 : x
  2. Step 2: Convert to fraction form
    54,572.88/75,304.50 = 30,699.08/x
  3. Step 3: Cross multiply
    54,572.88x = 75,304.50 × 30,699.08
  4. Step 4: Simplify right side
    54,572.88x = 2,311,778,869.86
  5. Step 5: Solve for x
    x = 2,311,778,869.86/54,572.88
  6. Step 6: Final answer
    x = 42,361.31

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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.