Home / 77,528.22-106,960.95-43,974.78

Finding the Fourth Proportional to 77,528.22, 106,960.95 and 43,974.78

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Solution

The fourth proportional to 77,528.22, 106,960.95 and 43,974.78 is: 60,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,528.22 : 106,960.95 = 43,974.78 : x
  2. Step 2: Convert to fraction form
    77,528.22/106,960.95 = 43,974.78/x
  3. Step 3: Cross multiply
    77,528.22x = 106,960.95 × 43,974.78
  4. Step 4: Simplify right side
    77,528.22x = 4,703,584,244.84
  5. Step 5: Solve for x
    x = 4,703,584,244.84/77,528.22
  6. Step 6: Final answer
    x = 60,669.32

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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.