Home / 97,811.97-134,981.09-57,527.43

Finding the Fourth Proportional to 97,811.97, 134,981.09 and 57,527.43

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Solution

The fourth proportional to 97,811.97, 134,981.09 and 57,527.43 is: 79,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.97 : 134,981.09 = 57,527.43 : x
  2. Step 2: Convert to fraction form
    97,811.97/134,981.09 = 57,527.43/x
  3. Step 3: Cross multiply
    97,811.97x = 134,981.09 × 57,527.43
  4. Step 4: Simplify right side
    97,811.97x = 7,765,114,918.66
  5. Step 5: Solve for x
    x = 7,765,114,918.66/97,811.97
  6. Step 6: Final answer
    x = 79,388.19

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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.