Home / 92,742.76-127,845.49-72,564.61

Finding the Fourth Proportional to 92,742.76, 127,845.49 and 72,564.61

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Solution

The fourth proportional to 92,742.76, 127,845.49 and 72,564.61 is: 100,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742.76 : 127,845.49 = 72,564.61 : x
  2. Step 2: Convert to fraction form
    92,742.76/127,845.49 = 72,564.61/x
  3. Step 3: Cross multiply
    92,742.76x = 127,845.49 × 72,564.61
  4. Step 4: Simplify right side
    92,742.76x = 9,277,058,122.11
  5. Step 5: Solve for x
    x = 9,277,058,122.11/92,742.76
  6. Step 6: Final answer
    x = 100,030.00

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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.