Home / 91,162.38-125,804.21-50,876.13

Finding the Fourth Proportional to 91,162.38, 125,804.21 and 50,876.13

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Solution

The fourth proportional to 91,162.38, 125,804.21 and 50,876.13 is: 70,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,162.38 : 125,804.21 = 50,876.13 : x
  2. Step 2: Convert to fraction form
    91,162.38/125,804.21 = 50,876.13/x
  3. Step 3: Cross multiply
    91,162.38x = 125,804.21 × 50,876.13
  4. Step 4: Simplify right side
    91,162.38x = 6,400,431,088.13
  5. Step 5: Solve for x
    x = 6,400,431,088.13/91,162.38
  6. Step 6: Final answer
    x = 70,209.13

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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.