Home / 106,764.66-147,336.98-63,747.91

Finding the Fourth Proportional to 106,764.66, 147,336.98 and 63,747.91

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Solution

The fourth proportional to 106,764.66, 147,336.98 and 63,747.91 is: 87,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.66 : 147,336.98 = 63,747.91 : x
  2. Step 2: Convert to fraction form
    106,764.66/147,336.98 = 63,747.91/x
  3. Step 3: Cross multiply
    106,764.66x = 147,336.98 × 63,747.91
  4. Step 4: Simplify right side
    106,764.66x = 9,392,423,784.57
  5. Step 5: Solve for x
    x = 9,392,423,784.57/106,764.66
  6. Step 6: Final answer
    x = 87,973.16

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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.