Home / 66,561.14-91,854.54-36,346.70

Finding the Fourth Proportional to 66,561.14, 91,854.54 and 36,346.70

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Solution

The fourth proportional to 66,561.14, 91,854.54 and 36,346.70 is: 50,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561.14 : 91,854.54 = 36,346.70 : x
  2. Step 2: Convert to fraction form
    66,561.14/91,854.54 = 36,346.70/x
  3. Step 3: Cross multiply
    66,561.14x = 91,854.54 × 36,346.70
  4. Step 4: Simplify right side
    66,561.14x = 3,338,609,409.02
  5. Step 5: Solve for x
    x = 3,338,609,409.02/66,561.14
  6. Step 6: Final answer
    x = 50,158.54

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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.