Home / 68,069.91-102,104.85-28,088.31

Finding the Fourth Proportional to 68,069.91, 102,104.85 and 28,088.31

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Solution

The fourth proportional to 68,069.91, 102,104.85 and 28,088.31 is: 42,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,069.91 : 102,104.85 = 28,088.31 : x
  2. Step 2: Convert to fraction form
    68,069.91/102,104.85 = 28,088.31/x
  3. Step 3: Cross multiply
    68,069.91x = 102,104.85 × 28,088.31
  4. Step 4: Simplify right side
    68,069.91x = 2,867,952,679.30
  5. Step 5: Solve for x
    x = 2,867,952,679.30/68,069.91
  6. Step 6: Final answer
    x = 42,132.46

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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.