Home / 106,493.28-159,681.84-53,068.20

Finding the Fourth Proportional to 106,493.28, 159,681.84 and 53,068.20

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Solution

The fourth proportional to 106,493.28, 159,681.84 and 53,068.20 is: 79,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,493.28 : 159,681.84 = 53,068.20 : x
  2. Step 2: Convert to fraction form
    106,493.28/159,681.84 = 53,068.20/x
  3. Step 3: Cross multiply
    106,493.28x = 159,681.84 × 53,068.20
  4. Step 4: Simplify right side
    106,493.28x = 8,474,027,821.49
  5. Step 5: Solve for x
    x = 8,474,027,821.49/106,493.28
  6. Step 6: Final answer
    x = 79,573.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.