Home / 53,849.49-74,311.13-31,192.58

Finding the Fourth Proportional to 53,849.49, 74,311.13 and 31,192.58

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Solution

The fourth proportional to 53,849.49, 74,311.13 and 31,192.58 is: 43,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,849.49 : 74,311.13 = 31,192.58 : x
  2. Step 2: Convert to fraction form
    53,849.49/74,311.13 = 31,192.58/x
  3. Step 3: Cross multiply
    53,849.49x = 74,311.13 × 31,192.58
  4. Step 4: Simplify right side
    53,849.49x = 2,317,955,339.90
  5. Step 5: Solve for x
    x = 2,317,955,339.90/53,849.49
  6. Step 6: Final answer
    x = 43,045.08

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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.