Home / 91,852.28-126,740.40-57,800.96

Finding the Fourth Proportional to 91,852.28, 126,740.40 and 57,800.96

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Solution

The fourth proportional to 91,852.28, 126,740.40 and 57,800.96 is: 79,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852.28 : 126,740.40 = 57,800.96 : x
  2. Step 2: Convert to fraction form
    91,852.28/126,740.40 = 57,800.96/x
  3. Step 3: Cross multiply
    91,852.28x = 126,740.40 × 57,800.96
  4. Step 4: Simplify right side
    91,852.28x = 7,325,716,790.78
  5. Step 5: Solve for x
    x = 7,325,716,790.78/91,852.28
  6. Step 6: Final answer
    x = 79,755.42

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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.