Home / 86,058.39-129,084.08-29,911.23

Finding the Fourth Proportional to 86,058.39, 129,084.08 and 29,911.23

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Solution

The fourth proportional to 86,058.39, 129,084.08 and 29,911.23 is: 44,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.39 : 129,084.08 = 29,911.23 : x
  2. Step 2: Convert to fraction form
    86,058.39/129,084.08 = 29,911.23/x
  3. Step 3: Cross multiply
    86,058.39x = 129,084.08 × 29,911.23
  4. Step 4: Simplify right side
    86,058.39x = 3,861,063,456.66
  5. Step 5: Solve for x
    x = 3,861,063,456.66/86,058.39
  6. Step 6: Final answer
    x = 44,865.63

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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.