Home / 52,111-71,918.65-31,963.26

Finding the Fourth Proportional to 52,111, 71,918.65 and 31,963.26

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Solution

The fourth proportional to 52,111, 71,918.65 and 31,963.26 is: 44,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111 : 71,918.65 = 31,963.26 : x
  2. Step 2: Convert to fraction form
    52,111/71,918.65 = 31,963.26/x
  3. Step 3: Cross multiply
    52,111x = 71,918.65 × 31,963.26
  4. Step 4: Simplify right side
    52,111x = 2,298,754,508.80
  5. Step 5: Solve for x
    x = 2,298,754,508.80/52,111
  6. Step 6: Final answer
    x = 44,112.65

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1.5x scale

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.