Home / 89,240.29-133,895.51-39,285.36

Finding the Fourth Proportional to 89,240.29, 133,895.51 and 39,285.36

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Solution

The fourth proportional to 89,240.29, 133,895.51 and 39,285.36 is: 58,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,240.29 : 133,895.51 = 39,285.36 : x
  2. Step 2: Convert to fraction form
    89,240.29/133,895.51 = 39,285.36/x
  3. Step 3: Cross multiply
    89,240.29x = 133,895.51 × 39,285.36
  4. Step 4: Simplify right side
    89,240.29x = 5,260,133,312.73
  5. Step 5: Solve for x
    x = 5,260,133,312.73/89,240.29
  6. Step 6: Final answer
    x = 58,943.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.