Home / 68,124.21-94,037.56-51,177.61

Finding the Fourth Proportional to 68,124.21, 94,037.56 and 51,177.61

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Solution

The fourth proportional to 68,124.21, 94,037.56 and 51,177.61 is: 70,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,124.21 : 94,037.56 = 51,177.61 : x
  2. Step 2: Convert to fraction form
    68,124.21/94,037.56 = 51,177.61/x
  3. Step 3: Cross multiply
    68,124.21x = 94,037.56 × 51,177.61
  4. Step 4: Simplify right side
    68,124.21x = 4,812,617,031.67
  5. Step 5: Solve for x
    x = 4,812,617,031.67/68,124.21
  6. Step 6: Final answer
    x = 70,644.74

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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.