Home / 101,166.66-151,780.35-47,899.23

Finding the Fourth Proportional to 101,166.66, 151,780.35 and 47,899.23

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Solution

The fourth proportional to 101,166.66, 151,780.35 and 47,899.23 is: 71,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,166.66 : 151,780.35 = 47,899.23 : x
  2. Step 2: Convert to fraction form
    101,166.66/151,780.35 = 47,899.23/x
  3. Step 3: Cross multiply
    101,166.66x = 151,780.35 × 47,899.23
  4. Step 4: Simplify right side
    101,166.66x = 7,270,161,894.13
  5. Step 5: Solve for x
    x = 7,270,161,894.13/101,166.66
  6. Step 6: Final answer
    x = 71,863.22

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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.