Home / 68,535.11-102,688.76-65,943.52

Finding the Fourth Proportional to 68,535.11, 102,688.76 and 65,943.52

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Solution

The fourth proportional to 68,535.11, 102,688.76 and 65,943.52 is: 98,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,535.11 : 102,688.76 = 65,943.52 : x
  2. Step 2: Convert to fraction form
    68,535.11/102,688.76 = 65,943.52/x
  3. Step 3: Cross multiply
    68,535.11x = 102,688.76 × 65,943.52
  4. Step 4: Simplify right side
    68,535.11x = 6,771,658,206.97
  5. Step 5: Solve for x
    x = 6,771,658,206.97/68,535.11
  6. Step 6: Final answer
    x = 98,805.68

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1.5x scale

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.