Home / 86,466.96-129,610.52-36,505.36

Finding the Fourth Proportional to 86,466.96, 129,610.52 and 36,505.36

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Solution

The fourth proportional to 86,466.96, 129,610.52 and 36,505.36 is: 54,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,466.96 : 129,610.52 = 36,505.36 : x
  2. Step 2: Convert to fraction form
    86,466.96/129,610.52 = 36,505.36/x
  3. Step 3: Cross multiply
    86,466.96x = 129,610.52 × 36,505.36
  4. Step 4: Simplify right side
    86,466.96x = 4,731,478,692.39
  5. Step 5: Solve for x
    x = 4,731,478,692.39/86,466.96
  6. Step 6: Final answer
    x = 54,720.08

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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.