Home / 74,722.52-111,959.21-61,436.50

Finding the Fourth Proportional to 74,722.52, 111,959.21 and 61,436.50

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Solution

The fourth proportional to 74,722.52, 111,959.21 and 61,436.50 is: 92,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,722.52 : 111,959.21 = 61,436.50 : x
  2. Step 2: Convert to fraction form
    74,722.52/111,959.21 = 61,436.50/x
  3. Step 3: Cross multiply
    74,722.52x = 111,959.21 × 61,436.50
  4. Step 4: Simplify right side
    74,722.52x = 6,878,381,878.86
  5. Step 5: Solve for x
    x = 6,878,381,878.86/74,722.52
  6. Step 6: Final answer
    x = 92,052.32

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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.