Home / 67,320.40-100,834.80-59,933.20

Finding the Fourth Proportional to 67,320.40, 100,834.80 and 59,933.20

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Solution

The fourth proportional to 67,320.40, 100,834.80 and 59,933.20 is: 89,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,320.40 : 100,834.80 = 59,933.20 : x
  2. Step 2: Convert to fraction form
    67,320.40/100,834.80 = 59,933.20/x
  3. Step 3: Cross multiply
    67,320.40x = 100,834.80 × 59,933.20
  4. Step 4: Simplify right side
    67,320.40x = 6,043,352,235.36
  5. Step 5: Solve for x
    x = 6,043,352,235.36/67,320.40
  6. Step 6: Final answer
    x = 89,770.00

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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.