Home / 66,327.12-91,498.80-49,277.04

Finding the Fourth Proportional to 66,327.12, 91,498.80 and 49,277.04

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Solution

The fourth proportional to 66,327.12, 91,498.80 and 49,277.04 is: 67,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,327.12 : 91,498.80 = 49,277.04 : x
  2. Step 2: Convert to fraction form
    66,327.12/91,498.80 = 49,277.04/x
  3. Step 3: Cross multiply
    66,327.12x = 91,498.80 × 49,277.04
  4. Step 4: Simplify right side
    66,327.12x = 4,508,790,027.55
  5. Step 5: Solve for x
    x = 4,508,790,027.55/66,327.12
  6. Step 6: Final answer
    x = 67,978.08

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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.