Home / 109,661.40-164,378.70-59,635.80

Finding the Fourth Proportional to 109,661.40, 164,378.70 and 59,635.80

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Solution

The fourth proportional to 109,661.40, 164,378.70 and 59,635.80 is: 89,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,661.40 : 164,378.70 = 59,635.80 : x
  2. Step 2: Convert to fraction form
    109,661.40/164,378.70 = 59,635.80/x
  3. Step 3: Cross multiply
    109,661.40x = 164,378.70 × 59,635.80
  4. Step 4: Simplify right side
    109,661.40x = 9,802,855,277.46
  5. Step 5: Solve for x
    x = 9,802,855,277.46/109,661.40
  6. Step 6: Final answer
    x = 89,392.03

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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.