Home / 85,074.07-127,629.59-25,908.22

Finding the Fourth Proportional to 85,074.07, 127,629.59 and 25,908.22

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Solution

The fourth proportional to 85,074.07, 127,629.59 and 25,908.22 is: 38,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,074.07 : 127,629.59 = 25,908.22 : x
  2. Step 2: Convert to fraction form
    85,074.07/127,629.59 = 25,908.22/x
  3. Step 3: Cross multiply
    85,074.07x = 127,629.59 × 25,908.22
  4. Step 4: Simplify right side
    85,074.07x = 3,306,655,366.69
  5. Step 5: Solve for x
    x = 3,306,655,366.69/85,074.07
  6. Step 6: Final answer
    x = 38,867.96

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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.