Home / 109,640.10-164,460.19-38,615.19

Finding the Fourth Proportional to 109,640.10, 164,460.19 and 38,615.19

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Solution

The fourth proportional to 109,640.10, 164,460.19 and 38,615.19 is: 57,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,640.10 : 164,460.19 = 38,615.19 : x
  2. Step 2: Convert to fraction form
    109,640.10/164,460.19 = 38,615.19/x
  3. Step 3: Cross multiply
    109,640.10x = 164,460.19 × 38,615.19
  4. Step 4: Simplify right side
    109,640.10x = 6,350,661,484.29
  5. Step 5: Solve for x
    x = 6,350,661,484.29/109,640.10
  6. Step 6: Final answer
    x = 57,922.80

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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.