Home / 109,635.03-164,502.77-59,640.21

Finding the Fourth Proportional to 109,635.03, 164,502.77 and 59,640.21

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Solution

The fourth proportional to 109,635.03, 164,502.77 and 59,640.21 is: 89,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,635.03 : 164,502.77 = 59,640.21 : x
  2. Step 2: Convert to fraction form
    109,635.03/164,502.77 = 59,640.21/x
  3. Step 3: Cross multiply
    109,635.03x = 164,502.77 × 59,640.21
  4. Step 4: Simplify right side
    109,635.03x = 9,810,979,450.18
  5. Step 5: Solve for x
    x = 9,810,979,450.18/109,635.03
  6. Step 6: Final answer
    x = 89,487.63

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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.