Home / 63,155.04-87,156.48-34,859.76

Finding the Fourth Proportional to 63,155.04, 87,156.48 and 34,859.76

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Solution

The fourth proportional to 63,155.04, 87,156.48 and 34,859.76 is: 48,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.04 : 87,156.48 = 34,859.76 : x
  2. Step 2: Convert to fraction form
    63,155.04/87,156.48 = 34,859.76/x
  3. Step 3: Cross multiply
    63,155.04x = 87,156.48 × 34,859.76
  4. Step 4: Simplify right side
    63,155.04x = 3,038,253,975.24
  5. Step 5: Solve for x
    x = 3,038,253,975.24/63,155.04
  6. Step 6: Final answer
    x = 48,107.86

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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.