Home / 63,156.90-87,156.32-34,862.38

Finding the Fourth Proportional to 63,156.90, 87,156.32 and 34,862.38

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Solution

The fourth proportional to 63,156.90, 87,156.32 and 34,862.38 is: 48,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.90 : 87,156.32 = 34,862.38 : x
  2. Step 2: Convert to fraction form
    63,156.90/87,156.32 = 34,862.38/x
  3. Step 3: Cross multiply
    63,156.90x = 87,156.32 × 34,862.38
  4. Step 4: Simplify right side
    63,156.90x = 3,038,476,747.24
  5. Step 5: Solve for x
    x = 3,038,476,747.24/63,156.90
  6. Step 6: Final answer
    x = 48,109.97

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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.