Home / 54,168.12-74,745.72-30,294.18

Finding the Fourth Proportional to 54,168.12, 74,745.72 and 30,294.18

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Solution

The fourth proportional to 54,168.12, 74,745.72 and 30,294.18 is: 41,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168.12 : 74,745.72 = 30,294.18 : x
  2. Step 2: Convert to fraction form
    54,168.12/74,745.72 = 30,294.18/x
  3. Step 3: Cross multiply
    54,168.12x = 74,745.72 × 30,294.18
  4. Step 4: Simplify right side
    54,168.12x = 2,264,360,295.91
  5. Step 5: Solve for x
    x = 2,264,360,295.91/54,168.12
  6. Step 6: Final answer
    x = 41,802.45

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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.