Home / 53,795.88-74,247.75-31,131.27

Finding the Fourth Proportional to 53,795.88, 74,247.75 and 31,131.27

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Solution

The fourth proportional to 53,795.88, 74,247.75 and 31,131.27 is: 42,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,795.88 : 74,247.75 = 31,131.27 : x
  2. Step 2: Convert to fraction form
    53,795.88/74,247.75 = 31,131.27/x
  3. Step 3: Cross multiply
    53,795.88x = 74,247.75 × 31,131.27
  4. Step 4: Simplify right side
    53,795.88x = 2,311,426,752.14
  5. Step 5: Solve for x
    x = 2,311,426,752.14/53,795.88
  6. Step 6: Final answer
    x = 42,966.61

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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.