Home / 77,508.43-106,916.45-48,816.85

Finding the Fourth Proportional to 77,508.43, 106,916.45 and 48,816.85

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Solution

The fourth proportional to 77,508.43, 106,916.45 and 48,816.85 is: 67,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,508.43 : 106,916.45 = 48,816.85 : x
  2. Step 2: Convert to fraction form
    77,508.43/106,916.45 = 48,816.85/x
  3. Step 3: Cross multiply
    77,508.43x = 106,916.45 × 48,816.85
  4. Step 4: Simplify right side
    77,508.43x = 5,219,324,058.10
  5. Step 5: Solve for x
    x = 5,219,324,058.10/77,508.43
  6. Step 6: Final answer
    x = 67,338.79

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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.