Home / 66,294.36-91,439.64-43,626.12

Finding the Fourth Proportional to 66,294.36, 91,439.64 and 43,626.12

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Solution

The fourth proportional to 66,294.36, 91,439.64 and 43,626.12 is: 60,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,294.36 : 91,439.64 = 43,626.12 : x
  2. Step 2: Convert to fraction form
    66,294.36/91,439.64 = 43,626.12/x
  3. Step 3: Cross multiply
    66,294.36x = 91,439.64 × 43,626.12
  4. Step 4: Simplify right side
    66,294.36x = 3,989,156,707.40
  5. Step 5: Solve for x
    x = 3,989,156,707.40/66,294.36
  6. Step 6: Final answer
    x = 60,173.39

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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.