Home / 91,020.86-125,609.38-50,737.18

Finding the Fourth Proportional to 91,020.86, 125,609.38 and 50,737.18

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Solution

The fourth proportional to 91,020.86, 125,609.38 and 50,737.18 is: 70,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.86 : 125,609.38 = 50,737.18 : x
  2. Step 2: Convert to fraction form
    91,020.86/125,609.38 = 50,737.18/x
  3. Step 3: Cross multiply
    91,020.86x = 125,609.38 × 50,737.18
  4. Step 4: Simplify right side
    91,020.86x = 6,373,065,722.75
  5. Step 5: Solve for x
    x = 6,373,065,722.75/91,020.86
  6. Step 6: Final answer
    x = 70,017.64

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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.