Home / 89,865.50-124,012.32-49,579.24

Finding the Fourth Proportional to 89,865.50, 124,012.32 and 49,579.24

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Solution

The fourth proportional to 89,865.50, 124,012.32 and 49,579.24 is: 68,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,865.50 : 124,012.32 = 49,579.24 : x
  2. Step 2: Convert to fraction form
    89,865.50/124,012.32 = 49,579.24/x
  3. Step 3: Cross multiply
    89,865.50x = 124,012.32 × 49,579.24
  4. Step 4: Simplify right side
    89,865.50x = 6,148,436,312.81
  5. Step 5: Solve for x
    x = 6,148,436,312.81/89,865.50
  6. Step 6: Final answer
    x = 68,418.21

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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.