Home / 67,186.48-92,715.37-36,971.78

Finding the Fourth Proportional to 67,186.48, 92,715.37 and 36,971.78

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Solution

The fourth proportional to 67,186.48, 92,715.37 and 36,971.78 is: 51,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,186.48 : 92,715.37 = 36,971.78 : x
  2. Step 2: Convert to fraction form
    67,186.48/92,715.37 = 36,971.78/x
  3. Step 3: Cross multiply
    67,186.48x = 92,715.37 × 36,971.78
  4. Step 4: Simplify right side
    67,186.48x = 3,427,852,262.26
  5. Step 5: Solve for x
    x = 3,427,852,262.26/67,186.48
  6. Step 6: Final answer
    x = 51,019.97

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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.