Home / 117,044.85-161,520.75-63,328.69

Finding the Fourth Proportional to 117,044.85, 161,520.75 and 63,328.69

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Solution

The fourth proportional to 117,044.85, 161,520.75 and 63,328.69 is: 87,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,044.85 : 161,520.75 = 63,328.69 : x
  2. Step 2: Convert to fraction form
    117,044.85/161,520.75 = 63,328.69/x
  3. Step 3: Cross multiply
    117,044.85x = 161,520.75 × 63,328.69
  4. Step 4: Simplify right side
    117,044.85x = 10,228,897,707.22
  5. Step 5: Solve for x
    x = 10,228,897,707.22/117,044.85
  6. Step 6: Final answer
    x = 87,392.97

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1.5x scale

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.