Home / 105,993.07-159,011.51-34,920.02

Finding the Fourth Proportional to 105,993.07, 159,011.51 and 34,920.02

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Solution

The fourth proportional to 105,993.07, 159,011.51 and 34,920.02 is: 52,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,993.07 : 159,011.51 = 34,920.02 : x
  2. Step 2: Convert to fraction form
    105,993.07/159,011.51 = 34,920.02/x
  3. Step 3: Cross multiply
    105,993.07x = 159,011.51 × 34,920.02
  4. Step 4: Simplify right side
    105,993.07x = 5,552,685,332.36
  5. Step 5: Solve for x
    x = 5,552,685,332.36/105,993.07
  6. Step 6: Final answer
    x = 52,387.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.