Home / 99,175.64-136,864.03-53,853.71

Finding the Fourth Proportional to 99,175.64, 136,864.03 and 53,853.71

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Solution

The fourth proportional to 99,175.64, 136,864.03 and 53,853.71 is: 74,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,175.64 : 136,864.03 = 53,853.71 : x
  2. Step 2: Convert to fraction form
    99,175.64/136,864.03 = 53,853.71/x
  3. Step 3: Cross multiply
    99,175.64x = 136,864.03 × 53,853.71
  4. Step 4: Simplify right side
    99,175.64x = 7,370,635,781.05
  5. Step 5: Solve for x
    x = 7,370,635,781.05/99,175.64
  6. Step 6: Final answer
    x = 74,319.01

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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.