Home / 106,956.72-147,616.43-61,641.41

Finding the Fourth Proportional to 106,956.72, 147,616.43 and 61,641.41

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Solution

The fourth proportional to 106,956.72, 147,616.43 and 61,641.41 is: 85,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,956.72 : 147,616.43 = 61,641.41 : x
  2. Step 2: Convert to fraction form
    106,956.72/147,616.43 = 61,641.41/x
  3. Step 3: Cross multiply
    106,956.72x = 147,616.43 × 61,641.41
  4. Step 4: Simplify right side
    106,956.72x = 9,099,283,838.08
  5. Step 5: Solve for x
    x = 9,099,283,838.08/106,956.72
  6. Step 6: Final answer
    x = 85,074.45

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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.