Home / 99,004.74-136,626.40-53,682.64

Finding the Fourth Proportional to 99,004.74, 136,626.40 and 53,682.64

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Solution

The fourth proportional to 99,004.74, 136,626.40 and 53,682.64 is: 74,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,004.74 : 136,626.40 = 53,682.64 : x
  2. Step 2: Convert to fraction form
    99,004.74/136,626.40 = 53,682.64/x
  3. Step 3: Cross multiply
    99,004.74x = 136,626.40 × 53,682.64
  4. Step 4: Simplify right side
    99,004.74x = 7,334,465,845.70
  5. Step 5: Solve for x
    x = 7,334,465,845.70/99,004.74
  6. Step 6: Final answer
    x = 74,081.97

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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.