Home / 63,286.68-87,332.13-34,990.50

Finding the Fourth Proportional to 63,286.68, 87,332.13 and 34,990.50

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Solution

The fourth proportional to 63,286.68, 87,332.13 and 34,990.50 is: 48,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,286.68 : 87,332.13 = 34,990.50 : x
  2. Step 2: Convert to fraction form
    63,286.68/87,332.13 = 34,990.50/x
  3. Step 3: Cross multiply
    63,286.68x = 87,332.13 × 34,990.50
  4. Step 4: Simplify right side
    63,286.68x = 3,055,794,894.77
  5. Step 5: Solve for x
    x = 3,055,794,894.77/63,286.68
  6. Step 6: Final answer
    x = 48,284.96

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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.