Home / 63,283.06-87,318.30-36,426.70

Finding the Fourth Proportional to 63,283.06, 87,318.30 and 36,426.70

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Solution

The fourth proportional to 63,283.06, 87,318.30 and 36,426.70 is: 50,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,283.06 : 87,318.30 = 36,426.70 : x
  2. Step 2: Convert to fraction form
    63,283.06/87,318.30 = 36,426.70/x
  3. Step 3: Cross multiply
    63,283.06x = 87,318.30 × 36,426.70
  4. Step 4: Simplify right side
    63,283.06x = 3,180,717,518.61
  5. Step 5: Solve for x
    x = 3,180,717,518.61/63,283.06
  6. Step 6: Final answer
    x = 50,261.75

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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.