Home / 68,437.89-102,689.33-47,410.29

Finding the Fourth Proportional to 68,437.89, 102,689.33 and 47,410.29

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Solution

The fourth proportional to 68,437.89, 102,689.33 and 47,410.29 is: 71,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,437.89 : 102,689.33 = 47,410.29 : x
  2. Step 2: Convert to fraction form
    68,437.89/102,689.33 = 47,410.29/x
  3. Step 3: Cross multiply
    68,437.89x = 102,689.33 × 47,410.29
  4. Step 4: Simplify right side
    68,437.89x = 4,868,530,678.15
  5. Step 5: Solve for x
    x = 4,868,530,678.15/68,437.89
  6. Step 6: Final answer
    x = 71,137.94

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1.5x scale

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.