Home / 72,297.06-108,455.13-32,316.36

Finding the Fourth Proportional to 72,297.06, 108,455.13 and 32,316.36

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Solution

The fourth proportional to 72,297.06, 108,455.13 and 32,316.36 is: 48,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297.06 : 108,455.13 = 32,316.36 : x
  2. Step 2: Convert to fraction form
    72,297.06/108,455.13 = 32,316.36/x
  3. Step 3: Cross multiply
    72,297.06x = 108,455.13 × 32,316.36
  4. Step 4: Simplify right side
    72,297.06x = 3,504,875,024.93
  5. Step 5: Solve for x
    x = 3,504,875,024.93/72,297.06
  6. Step 6: Final answer
    x = 48,478.80

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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.