Home / 86,501.82-119,384.31-50,706.10

Finding the Fourth Proportional to 86,501.82, 119,384.31 and 50,706.10

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Solution

The fourth proportional to 86,501.82, 119,384.31 and 50,706.10 is: 69,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.82 : 119,384.31 = 50,706.10 : x
  2. Step 2: Convert to fraction form
    86,501.82/119,384.31 = 50,706.10/x
  3. Step 3: Cross multiply
    86,501.82x = 119,384.31 × 50,706.10
  4. Step 4: Simplify right side
    86,501.82x = 6,053,512,761.29
  5. Step 5: Solve for x
    x = 6,053,512,761.29/86,501.82
  6. Step 6: Final answer
    x = 69,981.33

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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.