Home / 117,865.86-176,781.51-38,981.22

Finding the Fourth Proportional to 117,865.86, 176,781.51 and 38,981.22

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Solution

The fourth proportional to 117,865.86, 176,781.51 and 38,981.22 is: 58,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,865.86 : 176,781.51 = 38,981.22 : x
  2. Step 2: Convert to fraction form
    117,865.86/176,781.51 = 38,981.22/x
  3. Step 3: Cross multiply
    117,865.86x = 176,781.51 × 38,981.22
  4. Step 4: Simplify right side
    117,865.86x = 6,891,158,933.24
  5. Step 5: Solve for x
    x = 6,891,158,933.24/117,865.86
  6. Step 6: Final answer
    x = 58,466.12

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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.