Home / 66,158.21-91,298.97-35,943.77

Finding the Fourth Proportional to 66,158.21, 91,298.97 and 35,943.77

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Solution

The fourth proportional to 66,158.21, 91,298.97 and 35,943.77 is: 49,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,158.21 : 91,298.97 = 35,943.77 : x
  2. Step 2: Convert to fraction form
    66,158.21/91,298.97 = 35,943.77/x
  3. Step 3: Cross multiply
    66,158.21x = 91,298.97 × 35,943.77
  4. Step 4: Simplify right side
    66,158.21x = 3,281,629,178.92
  5. Step 5: Solve for x
    x = 3,281,629,178.92/66,158.21
  6. Step 6: Final answer
    x = 49,602.75

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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.