Home / 86,529.06-119,410.20-48,803.31

Finding the Fourth Proportional to 86,529.06, 119,410.20 and 48,803.31

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Solution

The fourth proportional to 86,529.06, 119,410.20 and 48,803.31 is: 67,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,529.06 : 119,410.20 = 48,803.31 : x
  2. Step 2: Convert to fraction form
    86,529.06/119,410.20 = 48,803.31/x
  3. Step 3: Cross multiply
    86,529.06x = 119,410.20 × 48,803.31
  4. Step 4: Simplify right side
    86,529.06x = 5,827,613,007.76
  5. Step 5: Solve for x
    x = 5,827,613,007.76/86,529.06
  6. Step 6: Final answer
    x = 67,348.62

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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.