Home / 97,802.28-134,959.50-57,517.56

Finding the Fourth Proportional to 97,802.28, 134,959.50 and 57,517.56

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Solution

The fourth proportional to 97,802.28, 134,959.50 and 57,517.56 is: 79,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,802.28 : 134,959.50 = 57,517.56 : x
  2. Step 2: Convert to fraction form
    97,802.28/134,959.50 = 57,517.56/x
  3. Step 3: Cross multiply
    97,802.28x = 134,959.50 × 57,517.56
  4. Step 4: Simplify right side
    97,802.28x = 7,762,541,138.82
  5. Step 5: Solve for x
    x = 7,762,541,138.82/97,802.28
  6. Step 6: Final answer
    x = 79,369.74

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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.