Home / 86,632.80-119,536.08-48,899.76

Finding the Fourth Proportional to 86,632.80, 119,536.08 and 48,899.76

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Solution

The fourth proportional to 86,632.80, 119,536.08 and 48,899.76 is: 67,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,632.80 : 119,536.08 = 48,899.76 : x
  2. Step 2: Convert to fraction form
    86,632.80/119,536.08 = 48,899.76/x
  3. Step 3: Cross multiply
    86,632.80x = 119,536.08 × 48,899.76
  4. Step 4: Simplify right side
    86,632.80x = 5,845,285,623.34
  5. Step 5: Solve for x
    x = 5,845,285,623.34/86,632.80
  6. Step 6: Final answer
    x = 67,471.97

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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.