Home / 74,769.02-112,176.93-22,178.78

Finding the Fourth Proportional to 74,769.02, 112,176.93 and 22,178.78

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Solution

The fourth proportional to 74,769.02, 112,176.93 and 22,178.78 is: 33,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,769.02 : 112,176.93 = 22,178.78 : x
  2. Step 2: Convert to fraction form
    74,769.02/112,176.93 = 22,178.78/x
  3. Step 3: Cross multiply
    74,769.02x = 112,176.93 × 22,178.78
  4. Step 4: Simplify right side
    74,769.02x = 2,487,947,451.55
  5. Step 5: Solve for x
    x = 2,487,947,451.55/74,769.02
  6. Step 6: Final answer
    x = 33,275.11

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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.