Home / 115,265.49-172,856.63-48,710.76

Finding the Fourth Proportional to 115,265.49, 172,856.63 and 48,710.76

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Solution

The fourth proportional to 115,265.49, 172,856.63 and 48,710.76 is: 73,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.49 : 172,856.63 = 48,710.76 : x
  2. Step 2: Convert to fraction form
    115,265.49/172,856.63 = 48,710.76/x
  3. Step 3: Cross multiply
    115,265.49x = 172,856.63 × 48,710.76
  4. Step 4: Simplify right side
    115,265.49x = 8,419,976,710.50
  5. Step 5: Solve for x
    x = 8,419,976,710.50/115,265.49
  6. Step 6: Final answer
    x = 73,048.55

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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.