Home / 92,916.49-128,218.38-50,474.11

Finding the Fourth Proportional to 92,916.49, 128,218.38 and 50,474.11

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Solution

The fourth proportional to 92,916.49, 128,218.38 and 50,474.11 is: 69,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,916.49 : 128,218.38 = 50,474.11 : x
  2. Step 2: Convert to fraction form
    92,916.49/128,218.38 = 50,474.11/x
  3. Step 3: Cross multiply
    92,916.49x = 128,218.38 × 50,474.11
  4. Step 4: Simplify right side
    92,916.49x = 6,471,708,616.14
  5. Step 5: Solve for x
    x = 6,471,708,616.14/92,916.49
  6. Step 6: Final answer
    x = 69,650.81

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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.