Home / 81,516.19-112,469.34-52,837.05

Finding the Fourth Proportional to 81,516.19, 112,469.34 and 52,837.05

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Solution

The fourth proportional to 81,516.19, 112,469.34 and 52,837.05 is: 72,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,516.19 : 112,469.34 = 52,837.05 : x
  2. Step 2: Convert to fraction form
    81,516.19/112,469.34 = 52,837.05/x
  3. Step 3: Cross multiply
    81,516.19x = 112,469.34 × 52,837.05
  4. Step 4: Simplify right side
    81,516.19x = 5,942,547,524.33
  5. Step 5: Solve for x
    x = 5,942,547,524.33/81,516.19
  6. Step 6: Final answer
    x = 72,900.22

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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.