Home / 102,828.96-154,138.40-58,361.76

Finding the Fourth Proportional to 102,828.96, 154,138.40 and 58,361.76

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Solution

The fourth proportional to 102,828.96, 154,138.40 and 58,361.76 is: 87,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,828.96 : 154,138.40 = 58,361.76 : x
  2. Step 2: Convert to fraction form
    102,828.96/154,138.40 = 58,361.76/x
  3. Step 3: Cross multiply
    102,828.96x = 154,138.40 × 58,361.76
  4. Step 4: Simplify right side
    102,828.96x = 8,995,788,307.58
  5. Step 5: Solve for x
    x = 8,995,788,307.58/102,828.96
  6. Step 6: Final answer
    x = 87,483.02

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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.