Home / 109,716.40-164,461.20-59,690.80

Finding the Fourth Proportional to 109,716.40, 164,461.20 and 59,690.80

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Solution

The fourth proportional to 109,716.40, 164,461.20 and 59,690.80 is: 89,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716.40 : 164,461.20 = 59,690.80 : x
  2. Step 2: Convert to fraction form
    109,716.40/164,461.20 = 59,690.80/x
  3. Step 3: Cross multiply
    109,716.40x = 164,461.20 × 59,690.80
  4. Step 4: Simplify right side
    109,716.40x = 9,816,820,596.96
  5. Step 5: Solve for x
    x = 9,816,820,596.96/109,716.40
  6. Step 6: Final answer
    x = 89,474.51

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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.