Home / 85,236.17-127,898.07-65,373.26

Finding the Fourth Proportional to 85,236.17, 127,898.07 and 65,373.26

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Solution

The fourth proportional to 85,236.17, 127,898.07 and 65,373.26 is: 98,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.17 : 127,898.07 = 65,373.26 : x
  2. Step 2: Convert to fraction form
    85,236.17/127,898.07 = 65,373.26/x
  3. Step 3: Cross multiply
    85,236.17x = 127,898.07 × 65,373.26
  4. Step 4: Simplify right side
    85,236.17x = 8,361,113,783.61
  5. Step 5: Solve for x
    x = 8,361,113,783.61/85,236.17
  6. Step 6: Final answer
    x = 98,093.49

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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.