Home / 86,466.16-129,693.99-32,420.17

Finding the Fourth Proportional to 86,466.16, 129,693.99 and 32,420.17

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Solution

The fourth proportional to 86,466.16, 129,693.99 and 32,420.17 is: 48,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,466.16 : 129,693.99 = 32,420.17 : x
  2. Step 2: Convert to fraction form
    86,466.16/129,693.99 = 32,420.17/x
  3. Step 3: Cross multiply
    86,466.16x = 129,693.99 × 32,420.17
  4. Step 4: Simplify right side
    86,466.16x = 4,204,701,487.47
  5. Step 5: Solve for x
    x = 4,204,701,487.47/86,466.16
  6. Step 6: Final answer
    x = 48,628.29

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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.