Home / 97,085.14-134,018.96-65,272.50

Finding the Fourth Proportional to 97,085.14, 134,018.96 and 65,272.50

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Solution

The fourth proportional to 97,085.14, 134,018.96 and 65,272.50 is: 90,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085.14 : 134,018.96 = 65,272.50 : x
  2. Step 2: Convert to fraction form
    97,085.14/134,018.96 = 65,272.50/x
  3. Step 3: Cross multiply
    97,085.14x = 134,018.96 × 65,272.50
  4. Step 4: Simplify right side
    97,085.14x = 8,747,752,240.24
  5. Step 5: Solve for x
    x = 8,747,752,240.24/97,085.14
  6. Step 6: Final answer
    x = 90,103.93

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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.