Home / 102,822.96-154,129.40-58,355.76

Finding the Fourth Proportional to 102,822.96, 154,129.40 and 58,355.76

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Solution

The fourth proportional to 102,822.96, 154,129.40 and 58,355.76 is: 87,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,822.96 : 154,129.40 = 58,355.76 : x
  2. Step 2: Convert to fraction form
    102,822.96/154,129.40 = 58,355.76/x
  3. Step 3: Cross multiply
    102,822.96x = 154,129.40 × 58,355.76
  4. Step 4: Simplify right side
    102,822.96x = 8,994,338,275.34
  5. Step 5: Solve for x
    x = 8,994,338,275.34/102,822.96
  6. Step 6: Final answer
    x = 87,474.03

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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.