Home / 70,981.20-97,904.97-57,553.02

Finding the Fourth Proportional to 70,981.20, 97,904.97 and 57,553.02

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Solution

The fourth proportional to 70,981.20, 97,904.97 and 57,553.02 is: 79,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,981.20 : 97,904.97 = 57,553.02 : x
  2. Step 2: Convert to fraction form
    70,981.20/97,904.97 = 57,553.02/x
  3. Step 3: Cross multiply
    70,981.20x = 97,904.97 × 57,553.02
  4. Step 4: Simplify right side
    70,981.20x = 5,634,726,696.51
  5. Step 5: Solve for x
    x = 5,634,726,696.51/70,981.20
  6. Step 6: Final answer
    x = 79,383.37

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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.