Home / 113,211.98-169,808.05-38,330.42

Finding the Fourth Proportional to 113,211.98, 169,808.05 and 38,330.42

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Solution

The fourth proportional to 113,211.98, 169,808.05 and 38,330.42 is: 57,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,211.98 : 169,808.05 = 38,330.42 : x
  2. Step 2: Convert to fraction form
    113,211.98/169,808.05 = 38,330.42/x
  3. Step 3: Cross multiply
    113,211.98x = 169,808.05 × 38,330.42
  4. Step 4: Simplify right side
    113,211.98x = 6,508,812,859.15
  5. Step 5: Solve for x
    x = 6,508,812,859.15/113,211.98
  6. Step 6: Final answer
    x = 57,492.26

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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.