Home / 91,320.44-126,022.68-51,034.88

Finding the Fourth Proportional to 91,320.44, 126,022.68 and 51,034.88

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Solution

The fourth proportional to 91,320.44, 126,022.68 and 51,034.88 is: 70,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,320.44 : 126,022.68 = 51,034.88 : x
  2. Step 2: Convert to fraction form
    91,320.44/126,022.68 = 51,034.88/x
  3. Step 3: Cross multiply
    91,320.44x = 126,022.68 × 51,034.88
  4. Step 4: Simplify right side
    91,320.44x = 6,431,551,465.79
  5. Step 5: Solve for x
    x = 6,431,551,465.79/91,320.44
  6. Step 6: Final answer
    x = 70,428.39

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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.