Home / 92,921.46-128,232.12-50,480.08

Finding the Fourth Proportional to 92,921.46, 128,232.12 and 50,480.08

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Solution

The fourth proportional to 92,921.46, 128,232.12 and 50,480.08 is: 69,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,921.46 : 128,232.12 = 50,480.08 : x
  2. Step 2: Convert to fraction form
    92,921.46/128,232.12 = 50,480.08/x
  3. Step 3: Cross multiply
    92,921.46x = 128,232.12 × 50,480.08
  4. Step 4: Simplify right side
    92,921.46x = 6,473,167,676.17
  5. Step 5: Solve for x
    x = 6,473,167,676.17/92,921.46
  6. Step 6: Final answer
    x = 69,662.78

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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.