Home / 62,620.64-86,416.49-34,325.72

Finding the Fourth Proportional to 62,620.64, 86,416.49 and 34,325.72

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Solution

The fourth proportional to 62,620.64, 86,416.49 and 34,325.72 is: 47,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,620.64 : 86,416.49 = 34,325.72 : x
  2. Step 2: Convert to fraction form
    62,620.64/86,416.49 = 34,325.72/x
  3. Step 3: Cross multiply
    62,620.64x = 86,416.49 × 34,325.72
  4. Step 4: Simplify right side
    62,620.64x = 2,966,308,067.49
  5. Step 5: Solve for x
    x = 2,966,308,067.49/62,620.64
  6. Step 6: Final answer
    x = 47,369.49

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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.