Home / 91,143.66-125,781.24-52,900.32

Finding the Fourth Proportional to 91,143.66, 125,781.24 and 52,900.32

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Solution

The fourth proportional to 91,143.66, 125,781.24 and 52,900.32 is: 73,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,143.66 : 125,781.24 = 52,900.32 : x
  2. Step 2: Convert to fraction form
    91,143.66/125,781.24 = 52,900.32/x
  3. Step 3: Cross multiply
    91,143.66x = 125,781.24 × 52,900.32
  4. Step 4: Simplify right side
    91,143.66x = 6,653,867,846.00
  5. Step 5: Solve for x
    x = 6,653,867,846.00/91,143.66
  6. Step 6: Final answer
    x = 73,004.18

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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.