Home / 89,869.69-134,825.28-26,688.41

Finding the Fourth Proportional to 89,869.69, 134,825.28 and 26,688.41

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Solution

The fourth proportional to 89,869.69, 134,825.28 and 26,688.41 is: 40,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,869.69 : 134,825.28 = 26,688.41 : x
  2. Step 2: Convert to fraction form
    89,869.69/134,825.28 = 26,688.41/x
  3. Step 3: Cross multiply
    89,869.69x = 134,825.28 × 26,688.41
  4. Step 4: Simplify right side
    89,869.69x = 3,598,272,351.00
  5. Step 5: Solve for x
    x = 3,598,272,351.00/89,869.69
  6. Step 6: Final answer
    x = 40,038.78

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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.