Home / 92,908.80-128,214.12-50,467.29

Finding the Fourth Proportional to 92,908.80, 128,214.12 and 50,467.29

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Solution

The fourth proportional to 92,908.80, 128,214.12 and 50,467.29 is: 69,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.80 : 128,214.12 = 50,467.29 : x
  2. Step 2: Convert to fraction form
    92,908.80/128,214.12 = 50,467.29/x
  3. Step 3: Cross multiply
    92,908.80x = 128,214.12 × 50,467.29
  4. Step 4: Simplify right side
    92,908.80x = 6,470,619,176.13
  5. Step 5: Solve for x
    x = 6,470,619,176.13/92,908.80
  6. Step 6: Final answer
    x = 69,644.85

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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.