Home / 67,056.18-92,530.14-40,197.78

Finding the Fourth Proportional to 67,056.18, 92,530.14 and 40,197.78

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Solution

The fourth proportional to 67,056.18, 92,530.14 and 40,197.78 is: 55,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,056.18 : 92,530.14 = 40,197.78 : x
  2. Step 2: Convert to fraction form
    67,056.18/92,530.14 = 40,197.78/x
  3. Step 3: Cross multiply
    67,056.18x = 92,530.14 × 40,197.78
  4. Step 4: Simplify right side
    67,056.18x = 3,719,506,211.09
  5. Step 5: Solve for x
    x = 3,719,506,211.09/67,056.18
  6. Step 6: Final answer
    x = 55,468.51

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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.