Home / 66,004.96-91,087.04-39,160.76

Finding the Fourth Proportional to 66,004.96, 91,087.04 and 39,160.76

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Solution

The fourth proportional to 66,004.96, 91,087.04 and 39,160.76 is: 54,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.96 : 91,087.04 = 39,160.76 : x
  2. Step 2: Convert to fraction form
    66,004.96/91,087.04 = 39,160.76/x
  3. Step 3: Cross multiply
    66,004.96x = 91,087.04 × 39,160.76
  4. Step 4: Simplify right side
    66,004.96x = 3,567,037,712.55
  5. Step 5: Solve for x
    x = 3,567,037,712.55/66,004.96
  6. Step 6: Final answer
    x = 54,041.96

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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.