Home / 85,049.54-127,574.19-28,895.48

Finding the Fourth Proportional to 85,049.54, 127,574.19 and 28,895.48

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Solution

The fourth proportional to 85,049.54, 127,574.19 and 28,895.48 is: 43,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,049.54 : 127,574.19 = 28,895.48 : x
  2. Step 2: Convert to fraction form
    85,049.54/127,574.19 = 28,895.48/x
  3. Step 3: Cross multiply
    85,049.54x = 127,574.19 × 28,895.48
  4. Step 4: Simplify right side
    85,049.54x = 3,686,317,455.66
  5. Step 5: Solve for x
    x = 3,686,317,455.66/85,049.54
  6. Step 6: Final answer
    x = 43,343.18

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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.