Home / 66,156.20-91,296.20-35,941.76

Finding the Fourth Proportional to 66,156.20, 91,296.20 and 35,941.76

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Solution

The fourth proportional to 66,156.20, 91,296.20 and 35,941.76 is: 49,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.20 : 91,296.20 = 35,941.76 : x
  2. Step 2: Convert to fraction form
    66,156.20/91,296.20 = 35,941.76/x
  3. Step 3: Cross multiply
    66,156.20x = 91,296.20 × 35,941.76
  4. Step 4: Simplify right side
    66,156.20x = 3,281,346,427.41
  5. Step 5: Solve for x
    x = 3,281,346,427.41/66,156.20
  6. Step 6: Final answer
    x = 49,599.98

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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.