Home / 92,979.20-128,305.86-50,537.36

Finding the Fourth Proportional to 92,979.20, 128,305.86 and 50,537.36

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Solution

The fourth proportional to 92,979.20, 128,305.86 and 50,537.36 is: 69,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,979.20 : 128,305.86 = 50,537.36 : x
  2. Step 2: Convert to fraction form
    92,979.20/128,305.86 = 50,537.36/x
  3. Step 3: Cross multiply
    92,979.20x = 128,305.86 × 50,537.36
  4. Step 4: Simplify right side
    92,979.20x = 6,484,239,436.93
  5. Step 5: Solve for x
    x = 6,484,239,436.93/92,979.20
  6. Step 6: Final answer
    x = 69,738.60

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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.