Home / 92,857.24-128,145.66-50,418.52

Finding the Fourth Proportional to 92,857.24, 128,145.66 and 50,418.52

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Solution

The fourth proportional to 92,857.24, 128,145.66 and 50,418.52 is: 69,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,857.24 : 128,145.66 = 50,418.52 : x
  2. Step 2: Convert to fraction form
    92,857.24/128,145.66 = 50,418.52/x
  3. Step 3: Cross multiply
    92,857.24x = 128,145.66 × 50,418.52
  4. Step 4: Simplify right side
    92,857.24x = 6,460,914,521.62
  5. Step 5: Solve for x
    x = 6,460,914,521.62/92,857.24
  6. Step 6: Final answer
    x = 69,579.01

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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.