Home / 89,045.40-133,395.30-49,531.80

Finding the Fourth Proportional to 89,045.40, 133,395.30 and 49,531.80

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Solution

The fourth proportional to 89,045.40, 133,395.30 and 49,531.80 is: 74,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.40 : 133,395.30 = 49,531.80 : x
  2. Step 2: Convert to fraction form
    89,045.40/133,395.30 = 49,531.80/x
  3. Step 3: Cross multiply
    89,045.40x = 133,395.30 × 49,531.80
  4. Step 4: Simplify right side
    89,045.40x = 6,607,309,320.54
  5. Step 5: Solve for x
    x = 6,607,309,320.54/89,045.40
  6. Step 6: Final answer
    x = 74,201.58

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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.