Home / 89,878.33-124,037.76-51,650.11

Finding the Fourth Proportional to 89,878.33, 124,037.76 and 51,650.11

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Solution

The fourth proportional to 89,878.33, 124,037.76 and 51,650.11 is: 71,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.33 : 124,037.76 = 51,650.11 : x
  2. Step 2: Convert to fraction form
    89,878.33/124,037.76 = 51,650.11/x
  3. Step 3: Cross multiply
    89,878.33x = 124,037.76 × 51,650.11
  4. Step 4: Simplify right side
    89,878.33x = 6,406,563,948.15
  5. Step 5: Solve for x
    x = 6,406,563,948.15/89,878.33
  6. Step 6: Final answer
    x = 71,280.41

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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.