Home / 77,520.45-106,949.52-48,832.41

Finding the Fourth Proportional to 77,520.45, 106,949.52 and 48,832.41

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Solution

The fourth proportional to 77,520.45, 106,949.52 and 48,832.41 is: 67,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,520.45 : 106,949.52 = 48,832.41 : x
  2. Step 2: Convert to fraction form
    77,520.45/106,949.52 = 48,832.41/x
  3. Step 3: Cross multiply
    77,520.45x = 106,949.52 × 48,832.41
  4. Step 4: Simplify right side
    77,520.45x = 5,222,602,809.94
  5. Step 5: Solve for x
    x = 5,222,602,809.94/77,520.45
  6. Step 6: Final answer
    x = 67,370.65

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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.