Home / 77,521.56-116,354.96-38,106.96

Finding the Fourth Proportional to 77,521.56, 116,354.96 and 38,106.96

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Solution

The fourth proportional to 77,521.56, 116,354.96 and 38,106.96 is: 57,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,521.56 : 116,354.96 = 38,106.96 : x
  2. Step 2: Convert to fraction form
    77,521.56/116,354.96 = 38,106.96/x
  3. Step 3: Cross multiply
    77,521.56x = 116,354.96 × 38,106.96
  4. Step 4: Simplify right side
    77,521.56x = 4,433,933,806.52
  5. Step 5: Solve for x
    x = 4,433,933,806.52/77,521.56
  6. Step 6: Final answer
    x = 57,196.14

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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.