Home / 69,743.71-96,244.29-39,531.81

Finding the Fourth Proportional to 69,743.71, 96,244.29 and 39,531.81

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Solution

The fourth proportional to 69,743.71, 96,244.29 and 39,531.81 is: 54,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,743.71 : 96,244.29 = 39,531.81 : x
  2. Step 2: Convert to fraction form
    69,743.71/96,244.29 = 39,531.81/x
  3. Step 3: Cross multiply
    69,743.71x = 96,244.29 × 39,531.81
  4. Step 4: Simplify right side
    69,743.71x = 3,804,710,985.86
  5. Step 5: Solve for x
    x = 3,804,710,985.86/69,743.71
  6. Step 6: Final answer
    x = 54,552.75

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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.