Home / 103,274.16-142,529.27-57,964.38

Finding the Fourth Proportional to 103,274.16, 142,529.27 and 57,964.38

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Solution

The fourth proportional to 103,274.16, 142,529.27 and 57,964.38 is: 79,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274.16 : 142,529.27 = 57,964.38 : x
  2. Step 2: Convert to fraction form
    103,274.16/142,529.27 = 57,964.38/x
  3. Step 3: Cross multiply
    103,274.16x = 142,529.27 × 57,964.38
  4. Step 4: Simplify right side
    103,274.16x = 8,261,620,477.58
  5. Step 5: Solve for x
    x = 8,261,620,477.58/103,274.16
  6. Step 6: Final answer
    x = 79,996.98

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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.