Home / 66,776.37-92,148.54-36,561.14

Finding the Fourth Proportional to 66,776.37, 92,148.54 and 36,561.14

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Solution

The fourth proportional to 66,776.37, 92,148.54 and 36,561.14 is: 50,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.37 : 92,148.54 = 36,561.14 : x
  2. Step 2: Convert to fraction form
    66,776.37/92,148.54 = 36,561.14/x
  3. Step 3: Cross multiply
    66,776.37x = 92,148.54 × 36,561.14
  4. Step 4: Simplify right side
    66,776.37x = 3,369,055,419.45
  5. Step 5: Solve for x
    x = 3,369,055,419.45/66,776.37
  6. Step 6: Final answer
    x = 50,452.81

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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.