Home / 109,002.03-150,421.44-61,263.46

Finding the Fourth Proportional to 109,002.03, 150,421.44 and 61,263.46

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Solution

The fourth proportional to 109,002.03, 150,421.44 and 61,263.46 is: 84,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,002.03 : 150,421.44 = 61,263.46 : x
  2. Step 2: Convert to fraction form
    109,002.03/150,421.44 = 61,263.46/x
  3. Step 3: Cross multiply
    109,002.03x = 150,421.44 × 61,263.46
  4. Step 4: Simplify right side
    109,002.03x = 9,215,337,872.58
  5. Step 5: Solve for x
    x = 9,215,337,872.58/109,002.03
  6. Step 6: Final answer
    x = 84,542.81

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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.