Home / 68,947.74-103,421.88-45,568.98

Finding the Fourth Proportional to 68,947.74, 103,421.88 and 45,568.98

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Solution

The fourth proportional to 68,947.74, 103,421.88 and 45,568.98 is: 68,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.74 : 103,421.88 = 45,568.98 : x
  2. Step 2: Convert to fraction form
    68,947.74/103,421.88 = 45,568.98/x
  3. Step 3: Cross multiply
    68,947.74x = 103,421.88 × 45,568.98
  4. Step 4: Simplify right side
    68,947.74x = 4,712,829,581.28
  5. Step 5: Solve for x
    x = 4,712,829,581.28/68,947.74
  6. Step 6: Final answer
    x = 68,353.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.