Home / 109,238.02-163,875.76-50,078.76

Finding the Fourth Proportional to 109,238.02, 163,875.76 and 50,078.76

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Solution

The fourth proportional to 109,238.02, 163,875.76 and 50,078.76 is: 75,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,238.02 : 163,875.76 = 50,078.76 : x
  2. Step 2: Convert to fraction form
    109,238.02/163,875.76 = 50,078.76/x
  3. Step 3: Cross multiply
    109,238.02x = 163,875.76 × 50,078.76
  4. Step 4: Simplify right side
    109,238.02x = 8,206,694,115.13
  5. Step 5: Solve for x
    x = 8,206,694,115.13/109,238.02
  6. Step 6: Final answer
    x = 75,126.72

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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.