Home / 115,048.34-158,777.43-67,298.66

Finding the Fourth Proportional to 115,048.34, 158,777.43 and 67,298.66

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Solution

The fourth proportional to 115,048.34, 158,777.43 and 67,298.66 is: 92,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,048.34 : 158,777.43 = 67,298.66 : x
  2. Step 2: Convert to fraction form
    115,048.34/158,777.43 = 67,298.66/x
  3. Step 3: Cross multiply
    115,048.34x = 158,777.43 × 67,298.66
  4. Step 4: Simplify right side
    115,048.34x = 10,685,508,277.24
  5. Step 5: Solve for x
    x = 10,685,508,277.24/115,048.34
  6. Step 6: Final answer
    x = 92,878.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.