Home / 53,897.57-80,856.14-18,357.06

Finding the Fourth Proportional to 53,897.57, 80,856.14 and 18,357.06

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Solution

The fourth proportional to 53,897.57, 80,856.14 and 18,357.06 is: 27,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,897.57 : 80,856.14 = 18,357.06 : x
  2. Step 2: Convert to fraction form
    53,897.57/80,856.14 = 18,357.06/x
  3. Step 3: Cross multiply
    53,897.57x = 80,856.14 × 18,357.06
  4. Step 4: Simplify right side
    53,897.57x = 1,484,280,921.56
  5. Step 5: Solve for x
    x = 1,484,280,921.56/53,897.57
  6. Step 6: Final answer
    x = 27,538.92

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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.