Home / 72,975.33-109,466.25-22,370.72

Finding the Fourth Proportional to 72,975.33, 109,466.25 and 22,370.72

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Solution

The fourth proportional to 72,975.33, 109,466.25 and 22,370.72 is: 33,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,975.33 : 109,466.25 = 22,370.72 : x
  2. Step 2: Convert to fraction form
    72,975.33/109,466.25 = 22,370.72/x
  3. Step 3: Cross multiply
    72,975.33x = 109,466.25 × 22,370.72
  4. Step 4: Simplify right side
    72,975.33x = 2,448,838,322.81
  5. Step 5: Solve for x
    x = 2,448,838,322.81/72,975.33
  6. Step 6: Final answer
    x = 33,557.07

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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.