Home / 85,012.74-117,327.69-48,727.17

Finding the Fourth Proportional to 85,012.74, 117,327.69 and 48,727.17

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Solution

The fourth proportional to 85,012.74, 117,327.69 and 48,727.17 is: 67,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,012.74 : 117,327.69 = 48,727.17 : x
  2. Step 2: Convert to fraction form
    85,012.74/117,327.69 = 48,727.17/x
  3. Step 3: Cross multiply
    85,012.74x = 117,327.69 × 48,727.17
  4. Step 4: Simplify right side
    85,012.74x = 5,717,046,296.34
  5. Step 5: Solve for x
    x = 5,717,046,296.34/85,012.74
  6. Step 6: Final answer
    x = 67,249.29

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1.5x scale

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.