Home / 81,587.93-122,297.69-34,230.52

Finding the Fourth Proportional to 81,587.93, 122,297.69 and 34,230.52

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Solution

The fourth proportional to 81,587.93, 122,297.69 and 34,230.52 is: 51,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,587.93 : 122,297.69 = 34,230.52 : x
  2. Step 2: Convert to fraction form
    81,587.93/122,297.69 = 34,230.52/x
  3. Step 3: Cross multiply
    81,587.93x = 122,297.69 × 34,230.52
  4. Step 4: Simplify right side
    81,587.93x = 4,186,313,303.33
  5. Step 5: Solve for x
    x = 4,186,313,303.33/81,587.93
  6. Step 6: Final answer
    x = 51,310.45

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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.