Home / 63,156.30-87,155.64-34,861.92

Finding the Fourth Proportional to 63,156.30, 87,155.64 and 34,861.92

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Solution

The fourth proportional to 63,156.30, 87,155.64 and 34,861.92 is: 48,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.30 : 87,155.64 = 34,861.92 : x
  2. Step 2: Convert to fraction form
    63,156.30/87,155.64 = 34,861.92/x
  3. Step 3: Cross multiply
    63,156.30x = 87,155.64 × 34,861.92
  4. Step 4: Simplify right side
    63,156.30x = 3,038,412,949.23
  5. Step 5: Solve for x
    x = 3,038,412,949.23/63,156.30
  6. Step 6: Final answer
    x = 48,109.42

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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.