Home / 56,834.10-78,421.87-34,167.66

Finding the Fourth Proportional to 56,834.10, 78,421.87 and 34,167.66

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Solution

The fourth proportional to 56,834.10, 78,421.87 and 34,167.66 is: 47,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,834.10 : 78,421.87 = 34,167.66 : x
  2. Step 2: Convert to fraction form
    56,834.10/78,421.87 = 34,167.66/x
  3. Step 3: Cross multiply
    56,834.10x = 78,421.87 × 34,167.66
  4. Step 4: Simplify right side
    56,834.10x = 2,679,491,790.72
  5. Step 5: Solve for x
    x = 2,679,491,790.72/56,834.10
  6. Step 6: Final answer
    x = 47,145.85

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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.