Home / 109,642.79-164,470.02-34,768.85

Finding the Fourth Proportional to 109,642.79, 164,470.02 and 34,768.85

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Solution

The fourth proportional to 109,642.79, 164,470.02 and 34,768.85 is: 52,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,642.79 : 164,470.02 = 34,768.85 : x
  2. Step 2: Convert to fraction form
    109,642.79/164,470.02 = 34,768.85/x
  3. Step 3: Cross multiply
    109,642.79x = 164,470.02 × 34,768.85
  4. Step 4: Simplify right side
    109,642.79x = 5,718,432,632.53
  5. Step 5: Solve for x
    x = 5,718,432,632.53/109,642.79
  6. Step 6: Final answer
    x = 52,155.12

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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.