Home / 112,983.17-169,356.48-38,077.43

Finding the Fourth Proportional to 112,983.17, 169,356.48 and 38,077.43

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Solution

The fourth proportional to 112,983.17, 169,356.48 and 38,077.43 is: 57,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.17 : 169,356.48 = 38,077.43 : x
  2. Step 2: Convert to fraction form
    112,983.17/169,356.48 = 38,077.43/x
  3. Step 3: Cross multiply
    112,983.17x = 169,356.48 × 38,077.43
  4. Step 4: Simplify right side
    112,983.17x = 6,448,658,665.46
  5. Step 5: Solve for x
    x = 6,448,658,665.46/112,983.17
  6. Step 6: Final answer
    x = 57,076.28

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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.