Home / 59,302.54-81,871.35-39,217.68

Finding the Fourth Proportional to 59,302.54, 81,871.35 and 39,217.68

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Solution

The fourth proportional to 59,302.54, 81,871.35 and 39,217.68 is: 54,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,302.54 : 81,871.35 = 39,217.68 : x
  2. Step 2: Convert to fraction form
    59,302.54/81,871.35 = 39,217.68/x
  3. Step 3: Cross multiply
    59,302.54x = 81,871.35 × 39,217.68
  4. Step 4: Simplify right side
    59,302.54x = 3,210,804,405.47
  5. Step 5: Solve for x
    x = 3,210,804,405.47/59,302.54
  6. Step 6: Final answer
    x = 54,142.78

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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.