Home / 53,886.96-80,705.10-52,018.20

Finding the Fourth Proportional to 53,886.96, 80,705.10 and 52,018.20

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Solution

The fourth proportional to 53,886.96, 80,705.10 and 52,018.20 is: 77,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.96 : 80,705.10 = 52,018.20 : x
  2. Step 2: Convert to fraction form
    53,886.96/80,705.10 = 52,018.20/x
  3. Step 3: Cross multiply
    53,886.96x = 80,705.10 × 52,018.20
  4. Step 4: Simplify right side
    53,886.96x = 4,198,134,032.82
  5. Step 5: Solve for x
    x = 4,198,134,032.82/53,886.96
  6. Step 6: Final answer
    x = 77,906.31

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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.