Home / 74,278.08-111,470.04-29,916.72

Finding the Fourth Proportional to 74,278.08, 111,470.04 and 29,916.72

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Solution

The fourth proportional to 74,278.08, 111,470.04 and 29,916.72 is: 44,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278.08 : 111,470.04 = 29,916.72 : x
  2. Step 2: Convert to fraction form
    74,278.08/111,470.04 = 29,916.72/x
  3. Step 3: Cross multiply
    74,278.08x = 111,470.04 × 29,916.72
  4. Step 4: Simplify right side
    74,278.08x = 3,334,817,975.07
  5. Step 5: Solve for x
    x = 3,334,817,975.07/74,278.08
  6. Step 6: Final answer
    x = 44,896.39

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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.