Home / 86,237.54-119,007.51-47,996.90

Finding the Fourth Proportional to 86,237.54, 119,007.51 and 47,996.90

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Solution

The fourth proportional to 86,237.54, 119,007.51 and 47,996.90 is: 66,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,237.54 : 119,007.51 = 47,996.90 : x
  2. Step 2: Convert to fraction form
    86,237.54/119,007.51 = 47,996.90/x
  3. Step 3: Cross multiply
    86,237.54x = 119,007.51 × 47,996.90
  4. Step 4: Simplify right side
    86,237.54x = 5,711,990,961.68
  5. Step 5: Solve for x
    x = 5,711,990,961.68/86,237.54
  6. Step 6: Final answer
    x = 66,235.55

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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.