Home / 91,868.58-126,777.15-51,582.42

Finding the Fourth Proportional to 91,868.58, 126,777.15 and 51,582.42

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Solution

The fourth proportional to 91,868.58, 126,777.15 and 51,582.42 is: 71,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868.58 : 126,777.15 = 51,582.42 : x
  2. Step 2: Convert to fraction form
    91,868.58/126,777.15 = 51,582.42/x
  3. Step 3: Cross multiply
    91,868.58x = 126,777.15 × 51,582.42
  4. Step 4: Simplify right side
    91,868.58x = 6,539,472,197.70
  5. Step 5: Solve for x
    x = 6,539,472,197.70/91,868.58
  6. Step 6: Final answer
    x = 71,182.90

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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.