Home / 109,772.40-164,428.20-60,466.80

Finding the Fourth Proportional to 109,772.40, 164,428.20 and 60,466.80

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Solution

The fourth proportional to 109,772.40, 164,428.20 and 60,466.80 is: 90,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,772.40 : 164,428.20 = 60,466.80 : x
  2. Step 2: Convert to fraction form
    109,772.40/164,428.20 = 60,466.80/x
  3. Step 3: Cross multiply
    109,772.40x = 164,428.20 × 60,466.80
  4. Step 4: Simplify right side
    109,772.40x = 9,942,447,083.76
  5. Step 5: Solve for x
    x = 9,942,447,083.76/109,772.40
  6. Step 6: Final answer
    x = 90,573.29

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1.5x scale

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.