Home / 91,597.44-126,406.53-51,309.12

Finding the Fourth Proportional to 91,597.44, 126,406.53 and 51,309.12

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Solution

The fourth proportional to 91,597.44, 126,406.53 and 51,309.12 is: 70,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,597.44 : 126,406.53 = 51,309.12 : x
  2. Step 2: Convert to fraction form
    91,597.44/126,406.53 = 51,309.12/x
  3. Step 3: Cross multiply
    91,597.44x = 126,406.53 × 51,309.12
  4. Step 4: Simplify right side
    91,597.44x = 6,485,807,816.55
  5. Step 5: Solve for x
    x = 6,485,807,816.55/91,597.44
  6. Step 6: Final answer
    x = 70,807.74

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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.