Home / 102,790.10-154,179.63-32,663.95

Finding the Fourth Proportional to 102,790.10, 154,179.63 and 32,663.95

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Solution

The fourth proportional to 102,790.10, 154,179.63 and 32,663.95 is: 48,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,790.10 : 154,179.63 = 32,663.95 : x
  2. Step 2: Convert to fraction form
    102,790.10/154,179.63 = 32,663.95/x
  3. Step 3: Cross multiply
    102,790.10x = 154,179.63 × 32,663.95
  4. Step 4: Simplify right side
    102,790.10x = 5,036,115,725.34
  5. Step 5: Solve for x
    x = 5,036,115,725.34/102,790.10
  6. Step 6: Final answer
    x = 48,994.17

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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.