Home / 86,217.84-118,979.34-48,492.12

Finding the Fourth Proportional to 86,217.84, 118,979.34 and 48,492.12

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Solution

The fourth proportional to 86,217.84, 118,979.34 and 48,492.12 is: 66,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,217.84 : 118,979.34 = 48,492.12 : x
  2. Step 2: Convert to fraction form
    86,217.84/118,979.34 = 48,492.12/x
  3. Step 3: Cross multiply
    86,217.84x = 118,979.34 × 48,492.12
  4. Step 4: Simplify right side
    86,217.84x = 5,769,560,432.80
  5. Step 5: Solve for x
    x = 5,769,560,432.80/86,217.84
  6. Step 6: Final answer
    x = 66,918.41

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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.