Home / 85,441.53-128,174.58-26,282.19

Finding the Fourth Proportional to 85,441.53, 128,174.58 and 26,282.19

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Solution

The fourth proportional to 85,441.53, 128,174.58 and 26,282.19 is: 39,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,441.53 : 128,174.58 = 26,282.19 : x
  2. Step 2: Convert to fraction form
    85,441.53/128,174.58 = 26,282.19/x
  3. Step 3: Cross multiply
    85,441.53x = 128,174.58 × 26,282.19
  4. Step 4: Simplify right side
    85,441.53x = 3,368,708,664.73
  5. Step 5: Solve for x
    x = 3,368,708,664.73/85,441.53
  6. Step 6: Final answer
    x = 39,427.06

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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.