Home / 54,134.19-74,709.16-30,259.35

Finding the Fourth Proportional to 54,134.19, 74,709.16 and 30,259.35

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Solution

The fourth proportional to 54,134.19, 74,709.16 and 30,259.35 is: 41,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134.19 : 74,709.16 = 30,259.35 : x
  2. Step 2: Convert to fraction form
    54,134.19/74,709.16 = 30,259.35/x
  3. Step 3: Cross multiply
    54,134.19x = 74,709.16 × 30,259.35
  4. Step 4: Simplify right side
    54,134.19x = 2,260,650,545.00
  5. Step 5: Solve for x
    x = 2,260,650,545.00/54,134.19
  6. Step 6: Final answer
    x = 41,760.13

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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.