Home / 54,114.12-74,679.08-30,240.84

Finding the Fourth Proportional to 54,114.12, 74,679.08 and 30,240.84

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Solution

The fourth proportional to 54,114.12, 74,679.08 and 30,240.84 is: 41,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.12 : 74,679.08 = 30,240.84 : x
  2. Step 2: Convert to fraction form
    54,114.12/74,679.08 = 30,240.84/x
  3. Step 3: Cross multiply
    54,114.12x = 74,679.08 × 30,240.84
  4. Step 4: Simplify right side
    54,114.12x = 2,258,358,238.47
  5. Step 5: Solve for x
    x = 2,258,358,238.47/54,114.12
  6. Step 6: Final answer
    x = 41,733.25

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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.