Home / 67,226.45-92,572.40-65,734.65

Finding the Fourth Proportional to 67,226.45, 92,572.40 and 65,734.65

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Solution

The fourth proportional to 67,226.45, 92,572.40 and 65,734.65 is: 90,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,226.45 : 92,572.40 = 65,734.65 : x
  2. Step 2: Convert to fraction form
    67,226.45/92,572.40 = 65,734.65/x
  3. Step 3: Cross multiply
    67,226.45x = 92,572.40 × 65,734.65
  4. Step 4: Simplify right side
    67,226.45x = 6,085,214,478.00
  5. Step 5: Solve for x
    x = 6,085,214,478.00/67,226.45
  6. Step 6: Final answer
    x = 90,518.17

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1.5x scale

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.