Home / 54,101.12-74,656.88-30,223.04

Finding the Fourth Proportional to 54,101.12, 74,656.88 and 30,223.04

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Solution

The fourth proportional to 54,101.12, 74,656.88 and 30,223.04 is: 41,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,101.12 : 74,656.88 = 30,223.04 : x
  2. Step 2: Convert to fraction form
    54,101.12/74,656.88 = 30,223.04/x
  3. Step 3: Cross multiply
    54,101.12x = 74,656.88 × 30,223.04
  4. Step 4: Simplify right side
    54,101.12x = 2,256,357,870.52
  5. Step 5: Solve for x
    x = 2,256,357,870.52/54,101.12
  6. Step 6: Final answer
    x = 41,706.31

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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.