Home / 108,749.90-150,127.62-72,926.84

Finding the Fourth Proportional to 108,749.90, 150,127.62 and 72,926.84

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Solution

The fourth proportional to 108,749.90, 150,127.62 and 72,926.84 is: 100,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,749.90 : 150,127.62 = 72,926.84 : x
  2. Step 2: Convert to fraction form
    108,749.90/150,127.62 = 72,926.84/x
  3. Step 3: Cross multiply
    108,749.90x = 150,127.62 × 72,926.84
  4. Step 4: Simplify right side
    108,749.90x = 10,948,332,923.32
  5. Step 5: Solve for x
    x = 10,948,332,923.32/108,749.90
  6. Step 6: Final answer
    x = 100,674.42

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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.