Home / 115,218.96-172,852.56-48,659.28

Finding the Fourth Proportional to 115,218.96, 172,852.56 and 48,659.28

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Solution

The fourth proportional to 115,218.96, 172,852.56 and 48,659.28 is: 72,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,218.96 : 172,852.56 = 48,659.28 : x
  2. Step 2: Convert to fraction form
    115,218.96/172,852.56 = 48,659.28/x
  3. Step 3: Cross multiply
    115,218.96x = 172,852.56 × 48,659.28
  4. Step 4: Simplify right side
    115,218.96x = 8,410,881,115.76
  5. Step 5: Solve for x
    x = 8,410,881,115.76/115,218.96
  6. Step 6: Final answer
    x = 72,999.11

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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.