Home / 65,823.84-90,836.78-35,609.19

Finding the Fourth Proportional to 65,823.84, 90,836.78 and 35,609.19

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Solution

The fourth proportional to 65,823.84, 90,836.78 and 35,609.19 is: 49,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,823.84 : 90,836.78 = 35,609.19 : x
  2. Step 2: Convert to fraction form
    65,823.84/90,836.78 = 35,609.19/x
  3. Step 3: Cross multiply
    65,823.84x = 90,836.78 × 35,609.19
  4. Step 4: Simplify right side
    65,823.84x = 3,234,623,639.32
  5. Step 5: Solve for x
    x = 3,234,623,639.32/65,823.84
  6. Step 6: Final answer
    x = 49,140.61

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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.