Home / 66,206.28-91,385.58-42,333.06

Finding the Fourth Proportional to 66,206.28, 91,385.58 and 42,333.06

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Solution

The fourth proportional to 66,206.28, 91,385.58 and 42,333.06 is: 58,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206.28 : 91,385.58 = 42,333.06 : x
  2. Step 2: Convert to fraction form
    66,206.28/91,385.58 = 42,333.06/x
  3. Step 3: Cross multiply
    66,206.28x = 91,385.58 × 42,333.06
  4. Step 4: Simplify right side
    66,206.28x = 3,868,631,241.27
  5. Step 5: Solve for x
    x = 3,868,631,241.27/66,206.28
  6. Step 6: Final answer
    x = 58,433.00

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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.