Home / 53,817.75-74,268.50-31,461.75

Finding the Fourth Proportional to 53,817.75, 74,268.50 and 31,461.75

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Solution

The fourth proportional to 53,817.75, 74,268.50 and 31,461.75 is: 43,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,817.75 : 74,268.50 = 31,461.75 : x
  2. Step 2: Convert to fraction form
    53,817.75/74,268.50 = 31,461.75/x
  3. Step 3: Cross multiply
    53,817.75x = 74,268.50 × 31,461.75
  4. Step 4: Simplify right side
    53,817.75x = 2,336,616,822.57
  5. Step 5: Solve for x
    x = 2,336,616,822.57/53,817.75
  6. Step 6: Final answer
    x = 43,417.22

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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.