Home / 91,020.43-125,612.51-50,734.48

Finding the Fourth Proportional to 91,020.43, 125,612.51 and 50,734.48

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Solution

The fourth proportional to 91,020.43, 125,612.51 and 50,734.48 is: 70,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.43 : 125,612.51 = 50,734.48 : x
  2. Step 2: Convert to fraction form
    91,020.43/125,612.51 = 50,734.48/x
  3. Step 3: Cross multiply
    91,020.43x = 125,612.51 × 50,734.48
  4. Step 4: Simplify right side
    91,020.43x = 6,372,885,376.34
  5. Step 5: Solve for x
    x = 6,372,885,376.34/91,020.43
  6. Step 6: Final answer
    x = 70,015.99

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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.