Home / 91,654.96-126,485.34-51,377.68

Finding the Fourth Proportional to 91,654.96, 126,485.34 and 51,377.68

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Solution

The fourth proportional to 91,654.96, 126,485.34 and 51,377.68 is: 70,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,654.96 : 126,485.34 = 51,377.68 : x
  2. Step 2: Convert to fraction form
    91,654.96/126,485.34 = 51,377.68/x
  3. Step 3: Cross multiply
    91,654.96x = 126,485.34 × 51,377.68
  4. Step 4: Simplify right side
    91,654.96x = 6,498,523,323.21
  5. Step 5: Solve for x
    x = 6,498,523,323.21/91,654.96
  6. Step 6: Final answer
    x = 70,902.04

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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.