Home / 91,320.59-126,022.88-51,035.03

Finding the Fourth Proportional to 91,320.59, 126,022.88 and 51,035.03

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Solution

The fourth proportional to 91,320.59, 126,022.88 and 51,035.03 is: 70,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,320.59 : 126,022.88 = 51,035.03 : x
  2. Step 2: Convert to fraction form
    91,320.59/126,022.88 = 51,035.03/x
  3. Step 3: Cross multiply
    91,320.59x = 126,022.88 × 51,035.03
  4. Step 4: Simplify right side
    91,320.59x = 6,431,580,958.96
  5. Step 5: Solve for x
    x = 6,431,580,958.96/91,320.59
  6. Step 6: Final answer
    x = 70,428.59

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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.