Home / 66,416.28-91,655.48-36,201.60

Finding the Fourth Proportional to 66,416.28, 91,655.48 and 36,201.60

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Solution

The fourth proportional to 66,416.28, 91,655.48 and 36,201.60 is: 49,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.28 : 91,655.48 = 36,201.60 : x
  2. Step 2: Convert to fraction form
    66,416.28/91,655.48 = 36,201.60/x
  3. Step 3: Cross multiply
    66,416.28x = 91,655.48 × 36,201.60
  4. Step 4: Simplify right side
    66,416.28x = 3,318,075,024.77
  5. Step 5: Solve for x
    x = 3,318,075,024.77/66,416.28
  6. Step 6: Final answer
    x = 49,958.76

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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.