Home / 70,233.03-96,910.71-40,019.64

Finding the Fourth Proportional to 70,233.03, 96,910.71 and 40,019.64

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Solution

The fourth proportional to 70,233.03, 96,910.71 and 40,019.64 is: 55,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,233.03 : 96,910.71 = 40,019.64 : x
  2. Step 2: Convert to fraction form
    70,233.03/96,910.71 = 40,019.64/x
  3. Step 3: Cross multiply
    70,233.03x = 96,910.71 × 40,019.64
  4. Step 4: Simplify right side
    70,233.03x = 3,878,331,726.34
  5. Step 5: Solve for x
    x = 3,878,331,726.34/70,233.03
  6. Step 6: Final answer
    x = 55,220.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.