Home / 91,924.79-126,842.39-51,630.83

Finding the Fourth Proportional to 91,924.79, 126,842.39 and 51,630.83

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Solution

The fourth proportional to 91,924.79, 126,842.39 and 51,630.83 is: 71,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,924.79 : 126,842.39 = 51,630.83 : x
  2. Step 2: Convert to fraction form
    91,924.79/126,842.39 = 51,630.83/x
  3. Step 3: Cross multiply
    91,924.79x = 126,842.39 × 51,630.83
  4. Step 4: Simplify right side
    91,924.79x = 6,548,978,655.70
  5. Step 5: Solve for x
    x = 6,548,978,655.70/91,924.79
  6. Step 6: Final answer
    x = 71,242.79

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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.