Home / 86,222.20-118,987.62-48,496.12

Finding the Fourth Proportional to 86,222.20, 118,987.62 and 48,496.12

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Solution

The fourth proportional to 86,222.20, 118,987.62 and 48,496.12 is: 66,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,222.20 : 118,987.62 = 48,496.12 : x
  2. Step 2: Convert to fraction form
    86,222.20/118,987.62 = 48,496.12/x
  3. Step 3: Cross multiply
    86,222.20x = 118,987.62 × 48,496.12
  4. Step 4: Simplify right side
    86,222.20x = 5,770,437,898.03
  5. Step 5: Solve for x
    x = 5,770,437,898.03/86,222.20
  6. Step 6: Final answer
    x = 66,925.20

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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.