Home / 56,833.10-78,420.50-34,166.66

Finding the Fourth Proportional to 56,833.10, 78,420.50 and 34,166.66

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Solution

The fourth proportional to 56,833.10, 78,420.50 and 34,166.66 is: 47,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,833.10 : 78,420.50 = 34,166.66 : x
  2. Step 2: Convert to fraction form
    56,833.10/78,420.50 = 34,166.66/x
  3. Step 3: Cross multiply
    56,833.10x = 78,420.50 × 34,166.66
  4. Step 4: Simplify right side
    56,833.10x = 2,679,365,997.59
  5. Step 5: Solve for x
    x = 2,679,365,997.59/56,833.10
  6. Step 6: Final answer
    x = 47,144.47

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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.