Home / 57,921.48-86,998.86-56,288.52

Finding the Fourth Proportional to 57,921.48, 86,998.86 and 56,288.52

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Solution

The fourth proportional to 57,921.48, 86,998.86 and 56,288.52 is: 84,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.48 : 86,998.86 = 56,288.52 : x
  2. Step 2: Convert to fraction form
    57,921.48/86,998.86 = 56,288.52/x
  3. Step 3: Cross multiply
    57,921.48x = 86,998.86 × 56,288.52
  4. Step 4: Simplify right side
    57,921.48x = 4,897,037,071.09
  5. Step 5: Solve for x
    x = 4,897,037,071.09/57,921.48
  6. Step 6: Final answer
    x = 84,546.13

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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.