Home / 72,973.90-109,431.55-35,523.06

Finding the Fourth Proportional to 72,973.90, 109,431.55 and 35,523.06

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Solution

The fourth proportional to 72,973.90, 109,431.55 and 35,523.06 is: 53,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,973.90 : 109,431.55 = 35,523.06 : x
  2. Step 2: Convert to fraction form
    72,973.90/109,431.55 = 35,523.06/x
  3. Step 3: Cross multiply
    72,973.90x = 109,431.55 × 35,523.06
  4. Step 4: Simplify right side
    72,973.90x = 3,887,343,516.54
  5. Step 5: Solve for x
    x = 3,887,343,516.54/72,973.90
  6. Step 6: Final answer
    x = 53,270.33

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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.