Home / 72,975.22-100,716-44,309.14

Finding the Fourth Proportional to 72,975.22, 100,716 and 44,309.14

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Solution

The fourth proportional to 72,975.22, 100,716 and 44,309.14 is: 61,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,975.22 : 100,716 = 44,309.14 : x
  2. Step 2: Convert to fraction form
    72,975.22/100,716 = 44,309.14/x
  3. Step 3: Cross multiply
    72,975.22x = 100,716 × 44,309.14
  4. Step 4: Simplify right side
    72,975.22x = 4,462,639,344.24
  5. Step 5: Solve for x
    x = 4,462,639,344.24/72,975.22
  6. Step 6: Final answer
    x = 61,152.80

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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.