Home / 51,712.03-77,572.52-14,272.11

Finding the Fourth Proportional to 51,712.03, 77,572.52 and 14,272.11

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Solution

The fourth proportional to 51,712.03, 77,572.52 and 14,272.11 is: 21,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712.03 : 77,572.52 = 14,272.11 : x
  2. Step 2: Convert to fraction form
    51,712.03/77,572.52 = 14,272.11/x
  3. Step 3: Cross multiply
    51,712.03x = 77,572.52 × 14,272.11
  4. Step 4: Simplify right side
    51,712.03x = 1,107,123,538.42
  5. Step 5: Solve for x
    x = 1,107,123,538.42/51,712.03
  6. Step 6: Final answer
    x = 21,409.40

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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.