Home / 53,868.63-74,318.52-31,199.36

Finding the Fourth Proportional to 53,868.63, 74,318.52 and 31,199.36

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Solution

The fourth proportional to 53,868.63, 74,318.52 and 31,199.36 is: 43,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.63 : 74,318.52 = 31,199.36 : x
  2. Step 2: Convert to fraction form
    53,868.63/74,318.52 = 31,199.36/x
  3. Step 3: Cross multiply
    53,868.63x = 74,318.52 × 31,199.36
  4. Step 4: Simplify right side
    53,868.63x = 2,318,689,888.55
  5. Step 5: Solve for x
    x = 2,318,689,888.55/53,868.63
  6. Step 6: Final answer
    x = 43,043.42

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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.