Home / 91,813.96-126,750.18-57,832.84

Finding the Fourth Proportional to 91,813.96, 126,750.18 and 57,832.84

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Solution

The fourth proportional to 91,813.96, 126,750.18 and 57,832.84 is: 79,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,813.96 : 126,750.18 = 57,832.84 : x
  2. Step 2: Convert to fraction form
    91,813.96/126,750.18 = 57,832.84/x
  3. Step 3: Cross multiply
    91,813.96x = 126,750.18 × 57,832.84
  4. Step 4: Simplify right side
    91,813.96x = 7,330,322,879.91
  5. Step 5: Solve for x
    x = 7,330,322,879.91/91,813.96
  6. Step 6: Final answer
    x = 79,838.87

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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.