Home / 86,217.15-118,980.73-48,491.40

Finding the Fourth Proportional to 86,217.15, 118,980.73 and 48,491.40

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Solution

The fourth proportional to 86,217.15, 118,980.73 and 48,491.40 is: 66,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,217.15 : 118,980.73 = 48,491.40 : x
  2. Step 2: Convert to fraction form
    86,217.15/118,980.73 = 48,491.40/x
  3. Step 3: Cross multiply
    86,217.15x = 118,980.73 × 48,491.40
  4. Step 4: Simplify right side
    86,217.15x = 5,769,542,170.72
  5. Step 5: Solve for x
    x = 5,769,542,170.72/86,217.15
  6. Step 6: Final answer
    x = 66,918.73

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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.