Home / 115,267.49-172,859.63-48,712.76

Finding the Fourth Proportional to 115,267.49, 172,859.63 and 48,712.76

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Solution

The fourth proportional to 115,267.49, 172,859.63 and 48,712.76 is: 73,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,267.49 : 172,859.63 = 48,712.76 : x
  2. Step 2: Convert to fraction form
    115,267.49/172,859.63 = 48,712.76/x
  3. Step 3: Cross multiply
    115,267.49x = 172,859.63 × 48,712.76
  4. Step 4: Simplify right side
    115,267.49x = 8,420,468,562.02
  5. Step 5: Solve for x
    x = 8,420,468,562.02/115,267.49
  6. Step 6: Final answer
    x = 73,051.55

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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.