Home / 86,605.07-119,512.67-48,363.56

Finding the Fourth Proportional to 86,605.07, 119,512.67 and 48,363.56

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Solution

The fourth proportional to 86,605.07, 119,512.67 and 48,363.56 is: 66,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,605.07 : 119,512.67 = 48,363.56 : x
  2. Step 2: Convert to fraction form
    86,605.07/119,512.67 = 48,363.56/x
  3. Step 3: Cross multiply
    86,605.07x = 119,512.67 × 48,363.56
  4. Step 4: Simplify right side
    86,605.07x = 5,780,057,346.92
  5. Step 5: Solve for x
    x = 5,780,057,346.92/86,605.07
  6. Step 6: Final answer
    x = 66,740.41

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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.