Home / 53,856.96-80,665.14-39,031.84

Finding the Fourth Proportional to 53,856.96, 80,665.14 and 39,031.84

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Solution

The fourth proportional to 53,856.96, 80,665.14 and 39,031.84 is: 58,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.96 : 80,665.14 = 39,031.84 : x
  2. Step 2: Convert to fraction form
    53,856.96/80,665.14 = 39,031.84/x
  3. Step 3: Cross multiply
    53,856.96x = 80,665.14 × 39,031.84
  4. Step 4: Simplify right side
    53,856.96x = 3,148,508,636.39
  5. Step 5: Solve for x
    x = 3,148,508,636.39/53,856.96
  6. Step 6: Final answer
    x = 58,460.57

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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.