Home / 84,675.16-127,013.76-58,372.84

Finding the Fourth Proportional to 84,675.16, 127,013.76 and 58,372.84

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Solution

The fourth proportional to 84,675.16, 127,013.76 and 58,372.84 is: 87,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,675.16 : 127,013.76 = 58,372.84 : x
  2. Step 2: Convert to fraction form
    84,675.16/127,013.76 = 58,372.84/x
  3. Step 3: Cross multiply
    84,675.16x = 127,013.76 × 58,372.84
  4. Step 4: Simplify right side
    84,675.16x = 7,414,153,890.28
  5. Step 5: Solve for x
    x = 7,414,153,890.28/84,675.16
  6. Step 6: Final answer
    x = 87,559.96

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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.