Home / 98,303.79-135,616.46-62,474.61

Finding the Fourth Proportional to 98,303.79, 135,616.46 and 62,474.61

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Solution

The fourth proportional to 98,303.79, 135,616.46 and 62,474.61 is: 86,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,303.79 : 135,616.46 = 62,474.61 : x
  2. Step 2: Convert to fraction form
    98,303.79/135,616.46 = 62,474.61/x
  3. Step 3: Cross multiply
    98,303.79x = 135,616.46 × 62,474.61
  4. Step 4: Simplify right side
    98,303.79x = 8,472,585,135.71
  5. Step 5: Solve for x
    x = 8,472,585,135.71/98,303.79
  6. Step 6: Final answer
    x = 86,187.78

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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.