Home / 90,829.44-125,347.50-49,995.18

Finding the Fourth Proportional to 90,829.44, 125,347.50 and 49,995.18

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Solution

The fourth proportional to 90,829.44, 125,347.50 and 49,995.18 is: 68,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,829.44 : 125,347.50 = 49,995.18 : x
  2. Step 2: Convert to fraction form
    90,829.44/125,347.50 = 49,995.18/x
  3. Step 3: Cross multiply
    90,829.44x = 125,347.50 × 49,995.18
  4. Step 4: Simplify right side
    90,829.44x = 6,266,770,825.05
  5. Step 5: Solve for x
    x = 6,266,770,825.05/90,829.44
  6. Step 6: Final answer
    x = 68,994.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.