Home / 74,180.84-111,275.10-21,594.42

Finding the Fourth Proportional to 74,180.84, 111,275.10 and 21,594.42

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Solution

The fourth proportional to 74,180.84, 111,275.10 and 21,594.42 is: 32,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,180.84 : 111,275.10 = 21,594.42 : x
  2. Step 2: Convert to fraction form
    74,180.84/111,275.10 = 21,594.42/x
  3. Step 3: Cross multiply
    74,180.84x = 111,275.10 × 21,594.42
  4. Step 4: Simplify right side
    74,180.84x = 2,402,921,244.94
  5. Step 5: Solve for x
    x = 2,402,921,244.94/74,180.84
  6. Step 6: Final answer
    x = 32,392.75

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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.