Home / 113,369.30-170,056.75-54,211.22

Finding the Fourth Proportional to 113,369.30, 170,056.75 and 54,211.22

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Solution

The fourth proportional to 113,369.30, 170,056.75 and 54,211.22 is: 81,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,369.30 : 170,056.75 = 54,211.22 : x
  2. Step 2: Convert to fraction form
    113,369.30/170,056.75 = 54,211.22/x
  3. Step 3: Cross multiply
    113,369.30x = 170,056.75 × 54,211.22
  4. Step 4: Simplify right side
    113,369.30x = 9,218,983,886.74
  5. Step 5: Solve for x
    x = 9,218,983,886.74/113,369.30
  6. Step 6: Final answer
    x = 81,318.17

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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.