Home / 85,028.67-127,510.74-25,040.66

Finding the Fourth Proportional to 85,028.67, 127,510.74 and 25,040.66

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Solution

The fourth proportional to 85,028.67, 127,510.74 and 25,040.66 is: 37,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,028.67 : 127,510.74 = 25,040.66 : x
  2. Step 2: Convert to fraction form
    85,028.67/127,510.74 = 25,040.66/x
  3. Step 3: Cross multiply
    85,028.67x = 127,510.74 × 25,040.66
  4. Step 4: Simplify right side
    85,028.67x = 3,192,952,449.13
  5. Step 5: Solve for x
    x = 3,192,952,449.13/85,028.67
  6. Step 6: Final answer
    x = 37,551.48

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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.