Home / 63,165.08-87,199.32-39,299.44

Finding the Fourth Proportional to 63,165.08, 87,199.32 and 39,299.44

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Solution

The fourth proportional to 63,165.08, 87,199.32 and 39,299.44 is: 54,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165.08 : 87,199.32 = 39,299.44 : x
  2. Step 2: Convert to fraction form
    63,165.08/87,199.32 = 39,299.44/x
  3. Step 3: Cross multiply
    63,165.08x = 87,199.32 × 39,299.44
  4. Step 4: Simplify right side
    63,165.08x = 3,426,884,444.38
  5. Step 5: Solve for x
    x = 3,426,884,444.38/63,165.08
  6. Step 6: Final answer
    x = 54,252.83

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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.