Home / 93,826.68-129,481.92-51,387

Finding the Fourth Proportional to 93,826.68, 129,481.92 and 51,387

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Solution

The fourth proportional to 93,826.68, 129,481.92 and 51,387 is: 70,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,826.68 : 129,481.92 = 51,387 : x
  2. Step 2: Convert to fraction form
    93,826.68/129,481.92 = 51,387/x
  3. Step 3: Cross multiply
    93,826.68x = 129,481.92 × 51,387
  4. Step 4: Simplify right side
    93,826.68x = 6,653,687,423.04
  5. Step 5: Solve for x
    x = 6,653,687,423.04/93,826.68
  6. Step 6: Final answer
    x = 70,914.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.