Home / 86,065.50-118,781.53-48,339.75

Finding the Fourth Proportional to 86,065.50, 118,781.53 and 48,339.75

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Solution

The fourth proportional to 86,065.50, 118,781.53 and 48,339.75 is: 66,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,065.50 : 118,781.53 = 48,339.75 : x
  2. Step 2: Convert to fraction form
    86,065.50/118,781.53 = 48,339.75/x
  3. Step 3: Cross multiply
    86,065.50x = 118,781.53 × 48,339.75
  4. Step 4: Simplify right side
    86,065.50x = 5,741,869,464.82
  5. Step 5: Solve for x
    x = 5,741,869,464.82/86,065.50
  6. Step 6: Final answer
    x = 66,715.11

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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.