Home / 62,785.23-86,644.26-34,105.15

Finding the Fourth Proportional to 62,785.23, 86,644.26 and 34,105.15

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Solution

The fourth proportional to 62,785.23, 86,644.26 and 34,105.15 is: 47,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,785.23 : 86,644.26 = 34,105.15 : x
  2. Step 2: Convert to fraction form
    62,785.23/86,644.26 = 34,105.15/x
  3. Step 3: Cross multiply
    62,785.23x = 86,644.26 × 34,105.15
  4. Step 4: Simplify right side
    62,785.23x = 2,955,015,483.94
  5. Step 5: Solve for x
    x = 2,955,015,483.94/62,785.23
  6. Step 6: Final answer
    x = 47,065.46

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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.