Home / 99,052.72-136,692.17-53,730.79

Finding the Fourth Proportional to 99,052.72, 136,692.17 and 53,730.79

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Solution

The fourth proportional to 99,052.72, 136,692.17 and 53,730.79 is: 74,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,052.72 : 136,692.17 = 53,730.79 : x
  2. Step 2: Convert to fraction form
    99,052.72/136,692.17 = 53,730.79/x
  3. Step 3: Cross multiply
    99,052.72x = 136,692.17 × 53,730.79
  4. Step 4: Simplify right side
    99,052.72x = 7,344,578,012.26
  5. Step 5: Solve for x
    x = 7,344,578,012.26/99,052.72
  6. Step 6: Final answer
    x = 74,148.17

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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.