Home / 86,354.48-119,175.28-48,116.54

Finding the Fourth Proportional to 86,354.48, 119,175.28 and 48,116.54

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Solution

The fourth proportional to 86,354.48, 119,175.28 and 48,116.54 is: 66,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,354.48 : 119,175.28 = 48,116.54 : x
  2. Step 2: Convert to fraction form
    86,354.48/119,175.28 = 48,116.54/x
  3. Step 3: Cross multiply
    86,354.48x = 119,175.28 × 48,116.54
  4. Step 4: Simplify right side
    86,354.48x = 5,734,302,127.13
  5. Step 5: Solve for x
    x = 5,734,302,127.13/86,354.48
  6. Step 6: Final answer
    x = 66,404.22

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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.