Home / 103,003.20-154,398.27-58,534.20

Finding the Fourth Proportional to 103,003.20, 154,398.27 and 58,534.20

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Solution

The fourth proportional to 103,003.20, 154,398.27 and 58,534.20 is: 87,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,003.20 : 154,398.27 = 58,534.20 : x
  2. Step 2: Convert to fraction form
    103,003.20/154,398.27 = 58,534.20/x
  3. Step 3: Cross multiply
    103,003.20x = 154,398.27 × 58,534.20
  4. Step 4: Simplify right side
    103,003.20x = 9,037,579,215.83
  5. Step 5: Solve for x
    x = 9,037,579,215.83/103,003.20
  6. Step 6: Final answer
    x = 87,740.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.