Home / 68,190.31-94,139.45-47,834.74

Finding the Fourth Proportional to 68,190.31, 94,139.45 and 47,834.74

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Solution

The fourth proportional to 68,190.31, 94,139.45 and 47,834.74 is: 66,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.31 : 94,139.45 = 47,834.74 : x
  2. Step 2: Convert to fraction form
    68,190.31/94,139.45 = 47,834.74/x
  3. Step 3: Cross multiply
    68,190.31x = 94,139.45 × 47,834.74
  4. Step 4: Simplify right side
    68,190.31x = 4,503,136,114.49
  5. Step 5: Solve for x
    x = 4,503,136,114.49/68,190.31
  6. Step 6: Final answer
    x = 66,037.77

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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.