Home / 67,225.49-92,770.16-40,020.57

Finding the Fourth Proportional to 67,225.49, 92,770.16 and 40,020.57

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Solution

The fourth proportional to 67,225.49, 92,770.16 and 40,020.57 is: 55,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,225.49 : 92,770.16 = 40,020.57 : x
  2. Step 2: Convert to fraction form
    67,225.49/92,770.16 = 40,020.57/x
  3. Step 3: Cross multiply
    67,225.49x = 92,770.16 × 40,020.57
  4. Step 4: Simplify right side
    67,225.49x = 3,712,714,482.09
  5. Step 5: Solve for x
    x = 3,712,714,482.09/67,225.49
  6. Step 6: Final answer
    x = 55,227.78

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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.