Home / 67,303.30-100,833.45-39,200.35

Finding the Fourth Proportional to 67,303.30, 100,833.45 and 39,200.35

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Solution

The fourth proportional to 67,303.30, 100,833.45 and 39,200.35 is: 58,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,303.30 : 100,833.45 = 39,200.35 : x
  2. Step 2: Convert to fraction form
    67,303.30/100,833.45 = 39,200.35/x
  3. Step 3: Cross multiply
    67,303.30x = 100,833.45 × 39,200.35
  4. Step 4: Simplify right side
    67,303.30x = 3,952,706,531.71
  5. Step 5: Solve for x
    x = 3,952,706,531.71/67,303.30
  6. Step 6: Final answer
    x = 58,729.76

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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.