Home / 89,865.48-124,013.51-49,579.57

Finding the Fourth Proportional to 89,865.48, 124,013.51 and 49,579.57

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Solution

The fourth proportional to 89,865.48, 124,013.51 and 49,579.57 is: 68,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,865.48 : 124,013.51 = 49,579.57 : x
  2. Step 2: Convert to fraction form
    89,865.48/124,013.51 = 49,579.57/x
  3. Step 3: Cross multiply
    89,865.48x = 124,013.51 × 49,579.57
  4. Step 4: Simplify right side
    89,865.48x = 6,148,536,499.99
  5. Step 5: Solve for x
    x = 6,148,536,499.99/89,865.48
  6. Step 6: Final answer
    x = 68,419.34

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1.5x scale

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.