Home / 91,309.34-126,004.46-51,023.43

Finding the Fourth Proportional to 91,309.34, 126,004.46 and 51,023.43

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Solution

The fourth proportional to 91,309.34, 126,004.46 and 51,023.43 is: 70,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,309.34 : 126,004.46 = 51,023.43 : x
  2. Step 2: Convert to fraction form
    91,309.34/126,004.46 = 51,023.43/x
  3. Step 3: Cross multiply
    91,309.34x = 126,004.46 × 51,023.43
  4. Step 4: Simplify right side
    91,309.34x = 6,429,179,872.06
  5. Step 5: Solve for x
    x = 6,429,179,872.06/91,309.34
  6. Step 6: Final answer
    x = 70,410.98

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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.