Home / 84,851.22-127,330.42-47,435.84

Finding the Fourth Proportional to 84,851.22, 127,330.42 and 47,435.84

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Solution

The fourth proportional to 84,851.22, 127,330.42 and 47,435.84 is: 71,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.22 : 127,330.42 = 47,435.84 : x
  2. Step 2: Convert to fraction form
    84,851.22/127,330.42 = 47,435.84/x
  3. Step 3: Cross multiply
    84,851.22x = 127,330.42 × 47,435.84
  4. Step 4: Simplify right side
    84,851.22x = 6,040,025,430.25
  5. Step 5: Solve for x
    x = 6,040,025,430.25/84,851.22
  6. Step 6: Final answer
    x = 71,183.72

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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.