Home / 102,956.12-154,133.70-63,394.52

Finding the Fourth Proportional to 102,956.12, 154,133.70 and 63,394.52

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Solution

The fourth proportional to 102,956.12, 154,133.70 and 63,394.52 is: 94,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,956.12 : 154,133.70 = 63,394.52 : x
  2. Step 2: Convert to fraction form
    102,956.12/154,133.70 = 63,394.52/x
  3. Step 3: Cross multiply
    102,956.12x = 154,133.70 × 63,394.52
  4. Step 4: Simplify right side
    102,956.12x = 9,771,231,927.32
  5. Step 5: Solve for x
    x = 9,771,231,927.32/102,956.12
  6. Step 6: Final answer
    x = 94,906.76

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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.