Home / 91,176.15-125,823.24-50,889.90

Finding the Fourth Proportional to 91,176.15, 125,823.24 and 50,889.90

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Solution

The fourth proportional to 91,176.15, 125,823.24 and 50,889.90 is: 70,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176.15 : 125,823.24 = 50,889.90 : x
  2. Step 2: Convert to fraction form
    91,176.15/125,823.24 = 50,889.90/x
  3. Step 3: Cross multiply
    91,176.15x = 125,823.24 × 50,889.90
  4. Step 4: Simplify right side
    91,176.15x = 6,403,131,846.83
  5. Step 5: Solve for x
    x = 6,403,131,846.83/91,176.15
  6. Step 6: Final answer
    x = 70,228.14

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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.