Home / 77,058.12-115,604.91-32,686.59

Finding the Fourth Proportional to 77,058.12, 115,604.91 and 32,686.59

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Solution

The fourth proportional to 77,058.12, 115,604.91 and 32,686.59 is: 49,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,058.12 : 115,604.91 = 32,686.59 : x
  2. Step 2: Convert to fraction form
    77,058.12/115,604.91 = 32,686.59/x
  3. Step 3: Cross multiply
    77,058.12x = 115,604.91 × 32,686.59
  4. Step 4: Simplify right side
    77,058.12x = 3,778,730,295.16
  5. Step 5: Solve for x
    x = 3,778,730,295.16/77,058.12
  6. Step 6: Final answer
    x = 49,037.41

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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.