Home / 86,331.34-129,504.60-26,373.35

Finding the Fourth Proportional to 86,331.34, 129,504.60 and 26,373.35

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Solution

The fourth proportional to 86,331.34, 129,504.60 and 26,373.35 is: 39,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,331.34 : 129,504.60 = 26,373.35 : x
  2. Step 2: Convert to fraction form
    86,331.34/129,504.60 = 26,373.35/x
  3. Step 3: Cross multiply
    86,331.34x = 129,504.60 × 26,373.35
  4. Step 4: Simplify right side
    86,331.34x = 3,415,469,663.53
  5. Step 5: Solve for x
    x = 3,415,469,663.53/86,331.34
  6. Step 6: Final answer
    x = 39,562.34

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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.