Home / 91,211.04-125,868.87-50,923.71

Finding the Fourth Proportional to 91,211.04, 125,868.87 and 50,923.71

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Solution

The fourth proportional to 91,211.04, 125,868.87 and 50,923.71 is: 70,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,211.04 : 125,868.87 = 50,923.71 : x
  2. Step 2: Convert to fraction form
    91,211.04/125,868.87 = 50,923.71/x
  3. Step 3: Cross multiply
    91,211.04x = 125,868.87 × 50,923.71
  4. Step 4: Simplify right side
    91,211.04x = 6,409,709,833.91
  5. Step 5: Solve for x
    x = 6,409,709,833.91/91,211.04
  6. Step 6: Final answer
    x = 70,273.40

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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.