Home / 86,743.20-119,708.16-48,501.69

Finding the Fourth Proportional to 86,743.20, 119,708.16 and 48,501.69

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Solution

The fourth proportional to 86,743.20, 119,708.16 and 48,501.69 is: 66,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,743.20 : 119,708.16 = 48,501.69 : x
  2. Step 2: Convert to fraction form
    86,743.20/119,708.16 = 48,501.69/x
  3. Step 3: Cross multiply
    86,743.20x = 119,708.16 × 48,501.69
  4. Step 4: Simplify right side
    86,743.20x = 5,806,048,066.79
  5. Step 5: Solve for x
    x = 5,806,048,066.79/86,743.20
  6. Step 6: Final answer
    x = 66,933.75

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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.