Home / 66,201.60-91,349.19-39,334.32

Finding the Fourth Proportional to 66,201.60, 91,349.19 and 39,334.32

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Solution

The fourth proportional to 66,201.60, 91,349.19 and 39,334.32 is: 54,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,201.60 : 91,349.19 = 39,334.32 : x
  2. Step 2: Convert to fraction form
    66,201.60/91,349.19 = 39,334.32/x
  3. Step 3: Cross multiply
    66,201.60x = 91,349.19 × 39,334.32
  4. Step 4: Simplify right side
    66,201.60x = 3,593,158,271.20
  5. Step 5: Solve for x
    x = 3,593,158,271.20/66,201.60
  6. Step 6: Final answer
    x = 54,276.00

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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.