Home / 57,434.47-86,141.98-15,871.75

Finding the Fourth Proportional to 57,434.47, 86,141.98 and 15,871.75

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Solution

The fourth proportional to 57,434.47, 86,141.98 and 15,871.75 is: 23,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.47 : 86,141.98 = 15,871.75 : x
  2. Step 2: Convert to fraction form
    57,434.47/86,141.98 = 15,871.75/x
  3. Step 3: Cross multiply
    57,434.47x = 86,141.98 × 15,871.75
  4. Step 4: Simplify right side
    57,434.47x = 1,367,223,971.07
  5. Step 5: Solve for x
    x = 1,367,223,971.07/57,434.47
  6. Step 6: Final answer
    x = 23,804.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.