Home / 102,416.14-141,334.86-57,097

Finding the Fourth Proportional to 102,416.14, 141,334.86 and 57,097

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Solution

The fourth proportional to 102,416.14, 141,334.86 and 57,097 is: 78,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,416.14 : 141,334.86 = 57,097 : x
  2. Step 2: Convert to fraction form
    102,416.14/141,334.86 = 57,097/x
  3. Step 3: Cross multiply
    102,416.14x = 141,334.86 × 57,097
  4. Step 4: Simplify right side
    102,416.14x = 8,069,796,501.42
  5. Step 5: Solve for x
    x = 8,069,796,501.42/102,416.14
  6. Step 6: Final answer
    x = 78,794.19

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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.