Home / 91,742.12-126,584.88-59,957.72

Finding the Fourth Proportional to 91,742.12, 126,584.88 and 59,957.72

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Solution

The fourth proportional to 91,742.12, 126,584.88 and 59,957.72 is: 82,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,742.12 : 126,584.88 = 59,957.72 : x
  2. Step 2: Convert to fraction form
    91,742.12/126,584.88 = 59,957.72/x
  3. Step 3: Cross multiply
    91,742.12x = 126,584.88 × 59,957.72
  4. Step 4: Simplify right side
    91,742.12x = 7,589,740,791.27
  5. Step 5: Solve for x
    x = 7,589,740,791.27/91,742.12
  6. Step 6: Final answer
    x = 82,729.08

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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.