Home / 91,020.25-125,612.25-50,734.29

Finding the Fourth Proportional to 91,020.25, 125,612.25 and 50,734.29

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Solution

The fourth proportional to 91,020.25, 125,612.25 and 50,734.29 is: 70,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.25 : 125,612.25 = 50,734.29 : x
  2. Step 2: Convert to fraction form
    91,020.25/125,612.25 = 50,734.29/x
  3. Step 3: Cross multiply
    91,020.25x = 125,612.25 × 50,734.29
  4. Step 4: Simplify right side
    91,020.25x = 6,372,848,319.05
  5. Step 5: Solve for x
    x = 6,372,848,319.05/91,020.25
  6. Step 6: Final answer
    x = 70,015.72

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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.