Home / 115,265.23-172,856.25-48,710.50

Finding the Fourth Proportional to 115,265.23, 172,856.25 and 48,710.50

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Solution

The fourth proportional to 115,265.23, 172,856.25 and 48,710.50 is: 73,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.23 : 172,856.25 = 48,710.50 : x
  2. Step 2: Convert to fraction form
    115,265.23/172,856.25 = 48,710.50/x
  3. Step 3: Cross multiply
    115,265.23x = 172,856.25 × 48,710.50
  4. Step 4: Simplify right side
    115,265.23x = 8,419,913,933.48
  5. Step 5: Solve for x
    x = 8,419,913,933.48/115,265.23
  6. Step 6: Final answer
    x = 73,048.17

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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.