Home / 109,034.02-163,384.10-73,363.21

Finding the Fourth Proportional to 109,034.02, 163,384.10 and 73,363.21

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Solution

The fourth proportional to 109,034.02, 163,384.10 and 73,363.21 is: 109,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,034.02 : 163,384.10 = 73,363.21 : x
  2. Step 2: Convert to fraction form
    109,034.02/163,384.10 = 73,363.21/x
  3. Step 3: Cross multiply
    109,034.02x = 163,384.10 × 73,363.21
  4. Step 4: Simplify right side
    109,034.02x = 11,986,382,278.08
  5. Step 5: Solve for x
    x = 11,986,382,278.08/109,034.02
  6. Step 6: Final answer
    x = 109,932.50

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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.