Home / 63,156.70-87,156.07-34,862.19

Finding the Fourth Proportional to 63,156.70, 87,156.07 and 34,862.19

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Solution

The fourth proportional to 63,156.70, 87,156.07 and 34,862.19 is: 48,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.70 : 87,156.07 = 34,862.19 : x
  2. Step 2: Convert to fraction form
    63,156.70/87,156.07 = 34,862.19/x
  3. Step 3: Cross multiply
    63,156.70x = 87,156.07 × 34,862.19
  4. Step 4: Simplify right side
    63,156.70x = 3,038,451,471.99
  5. Step 5: Solve for x
    x = 3,038,451,471.99/63,156.70
  6. Step 6: Final answer
    x = 48,109.73

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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.