Home / 85,382.46-128,092.74-26,224.11

Finding the Fourth Proportional to 85,382.46, 128,092.74 and 26,224.11

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Solution

The fourth proportional to 85,382.46, 128,092.74 and 26,224.11 is: 39,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,382.46 : 128,092.74 = 26,224.11 : x
  2. Step 2: Convert to fraction form
    85,382.46/128,092.74 = 26,224.11/x
  3. Step 3: Cross multiply
    85,382.46x = 128,092.74 × 26,224.11
  4. Step 4: Simplify right side
    85,382.46x = 3,359,118,103.96
  5. Step 5: Solve for x
    x = 3,359,118,103.96/85,382.46
  6. Step 6: Final answer
    x = 39,342.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.