Home / 58,639.68-87,989.76-27,478.08

Finding the Fourth Proportional to 58,639.68, 87,989.76 and 27,478.08

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Solution

The fourth proportional to 58,639.68, 87,989.76 and 27,478.08 is: 41,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,639.68 : 87,989.76 = 27,478.08 : x
  2. Step 2: Convert to fraction form
    58,639.68/87,989.76 = 27,478.08/x
  3. Step 3: Cross multiply
    58,639.68x = 87,989.76 × 27,478.08
  4. Step 4: Simplify right side
    58,639.68x = 2,417,789,664.46
  5. Step 5: Solve for x
    x = 2,417,789,664.46/58,639.68
  6. Step 6: Final answer
    x = 41,231.29

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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.