Home / 91,320.24-126,021.56-51,033.98

Finding the Fourth Proportional to 91,320.24, 126,021.56 and 51,033.98

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Solution

The fourth proportional to 91,320.24, 126,021.56 and 51,033.98 is: 70,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,320.24 : 126,021.56 = 51,033.98 : x
  2. Step 2: Convert to fraction form
    91,320.24/126,021.56 = 51,033.98/x
  3. Step 3: Cross multiply
    91,320.24x = 126,021.56 × 51,033.98
  4. Step 4: Simplify right side
    91,320.24x = 6,431,381,832.49
  5. Step 5: Solve for x
    x = 6,431,381,832.49/91,320.24
  6. Step 6: Final answer
    x = 70,426.68

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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.