Home / 109,722.40-164,470.20-59,696.80

Finding the Fourth Proportional to 109,722.40, 164,470.20 and 59,696.80

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Solution

The fourth proportional to 109,722.40, 164,470.20 and 59,696.80 is: 89,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,722.40 : 164,470.20 = 59,696.80 : x
  2. Step 2: Convert to fraction form
    109,722.40/164,470.20 = 59,696.80/x
  3. Step 3: Cross multiply
    109,722.40x = 164,470.20 × 59,696.80
  4. Step 4: Simplify right side
    109,722.40x = 9,818,344,635.36
  5. Step 5: Solve for x
    x = 9,818,344,635.36/109,722.40
  6. Step 6: Final answer
    x = 89,483.50

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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.