Home / 86,583.58-119,484.17-48,343.72

Finding the Fourth Proportional to 86,583.58, 119,484.17 and 48,343.72

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Solution

The fourth proportional to 86,583.58, 119,484.17 and 48,343.72 is: 66,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,583.58 : 119,484.17 = 48,343.72 : x
  2. Step 2: Convert to fraction form
    86,583.58/119,484.17 = 48,343.72/x
  3. Step 3: Cross multiply
    86,583.58x = 119,484.17 × 48,343.72
  4. Step 4: Simplify right side
    86,583.58x = 5,776,309,081.06
  5. Step 5: Solve for x
    x = 5,776,309,081.06/86,583.58
  6. Step 6: Final answer
    x = 66,713.68

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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.