Home / 99,007.27-136,653.66-58,744.40

Finding the Fourth Proportional to 99,007.27, 136,653.66 and 58,744.40

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Solution

The fourth proportional to 99,007.27, 136,653.66 and 58,744.40 is: 81,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,007.27 : 136,653.66 = 58,744.40 : x
  2. Step 2: Convert to fraction form
    99,007.27/136,653.66 = 58,744.40/x
  3. Step 3: Cross multiply
    99,007.27x = 136,653.66 × 58,744.40
  4. Step 4: Simplify right side
    99,007.27x = 8,027,636,581.24
  5. Step 5: Solve for x
    x = 8,027,636,581.24/99,007.27
  6. Step 6: Final answer
    x = 81,081.29

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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.