Home / 45,588.13-68,356.54-31,373.31

Finding the Fourth Proportional to 45,588.13, 68,356.54 and 31,373.31

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Solution

The fourth proportional to 45,588.13, 68,356.54 and 31,373.31 is: 47,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,588.13 : 68,356.54 = 31,373.31 : x
  2. Step 2: Convert to fraction form
    45,588.13/68,356.54 = 31,373.31/x
  3. Step 3: Cross multiply
    45,588.13x = 68,356.54 × 31,373.31
  4. Step 4: Simplify right side
    45,588.13x = 2,144,570,919.95
  5. Step 5: Solve for x
    x = 2,144,570,919.95/45,588.13
  6. Step 6: Final answer
    x = 47,042.31

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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.