Home / 93,786.74-129,377.27-63,561.72

Finding the Fourth Proportional to 93,786.74, 129,377.27 and 63,561.72

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Solution

The fourth proportional to 93,786.74, 129,377.27 and 63,561.72 is: 87,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,786.74 : 129,377.27 = 63,561.72 : x
  2. Step 2: Convert to fraction form
    93,786.74/129,377.27 = 63,561.72/x
  3. Step 3: Cross multiply
    93,786.74x = 129,377.27 × 63,561.72
  4. Step 4: Simplify right side
    93,786.74x = 8,223,442,096.64
  5. Step 5: Solve for x
    x = 8,223,442,096.64/93,786.74
  6. Step 6: Final answer
    x = 87,682.35

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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.