Home / 91,275.82-125,953.52-50,438.23

Finding the Fourth Proportional to 91,275.82, 125,953.52 and 50,438.23

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Solution

The fourth proportional to 91,275.82, 125,953.52 and 50,438.23 is: 69,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,275.82 : 125,953.52 = 50,438.23 : x
  2. Step 2: Convert to fraction form
    91,275.82/125,953.52 = 50,438.23/x
  3. Step 3: Cross multiply
    91,275.82x = 125,953.52 × 50,438.23
  4. Step 4: Simplify right side
    91,275.82x = 6,352,872,611.07
  5. Step 5: Solve for x
    x = 6,352,872,611.07/91,275.82
  6. Step 6: Final answer
    x = 69,600.83

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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.