Home / 92,140.47-127,160.28-51,858.09

Finding the Fourth Proportional to 92,140.47, 127,160.28 and 51,858.09

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Solution

The fourth proportional to 92,140.47, 127,160.28 and 51,858.09 is: 71,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,140.47 : 127,160.28 = 51,858.09 : x
  2. Step 2: Convert to fraction form
    92,140.47/127,160.28 = 51,858.09/x
  3. Step 3: Cross multiply
    92,140.47x = 127,160.28 × 51,858.09
  4. Step 4: Simplify right side
    92,140.47x = 6,594,289,244.67
  5. Step 5: Solve for x
    x = 6,594,289,244.67/92,140.47
  6. Step 6: Final answer
    x = 71,567.78

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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.