Home / 74,454.84-111,633.48-27,061.20

Finding the Fourth Proportional to 74,454.84, 111,633.48 and 27,061.20

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Solution

The fourth proportional to 74,454.84, 111,633.48 and 27,061.20 is: 40,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,454.84 : 111,633.48 = 27,061.20 : x
  2. Step 2: Convert to fraction form
    74,454.84/111,633.48 = 27,061.20/x
  3. Step 3: Cross multiply
    74,454.84x = 111,633.48 × 27,061.20
  4. Step 4: Simplify right side
    74,454.84x = 3,020,935,928.98
  5. Step 5: Solve for x
    x = 3,020,935,928.98/74,454.84
  6. Step 6: Final answer
    x = 40,574.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.