Home / 91,120.14-125,745.93-50,832.81

Finding the Fourth Proportional to 91,120.14, 125,745.93 and 50,832.81

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Solution

The fourth proportional to 91,120.14, 125,745.93 and 50,832.81 is: 70,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,120.14 : 125,745.93 = 50,832.81 : x
  2. Step 2: Convert to fraction form
    91,120.14/125,745.93 = 50,832.81/x
  3. Step 3: Cross multiply
    91,120.14x = 125,745.93 × 50,832.81
  4. Step 4: Simplify right side
    91,120.14x = 6,392,018,967.96
  5. Step 5: Solve for x
    x = 6,392,018,967.96/91,120.14
  6. Step 6: Final answer
    x = 70,149.35

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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.