Home / 86,008.23-118,687.32-47,770.25

Finding the Fourth Proportional to 86,008.23, 118,687.32 and 47,770.25

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Solution

The fourth proportional to 86,008.23, 118,687.32 and 47,770.25 is: 65,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,008.23 : 118,687.32 = 47,770.25 : x
  2. Step 2: Convert to fraction form
    86,008.23/118,687.32 = 47,770.25/x
  3. Step 3: Cross multiply
    86,008.23x = 118,687.32 × 47,770.25
  4. Step 4: Simplify right side
    86,008.23x = 5,669,722,354.79
  5. Step 5: Solve for x
    x = 5,669,722,354.79/86,008.23
  6. Step 6: Final answer
    x = 65,920.70

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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.