Home / 37,172.08-55,746.38-12,208.02

Finding the Fourth Proportional to 37,172.08, 55,746.38 and 12,208.02

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Solution

The fourth proportional to 37,172.08, 55,746.38 and 12,208.02 is: 18,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.08 : 55,746.38 = 12,208.02 : x
  2. Step 2: Convert to fraction form
    37,172.08/55,746.38 = 12,208.02/x
  3. Step 3: Cross multiply
    37,172.08x = 55,746.38 × 12,208.02
  4. Step 4: Simplify right side
    37,172.08x = 680,552,582.20
  5. Step 5: Solve for x
    x = 680,552,582.20/37,172.08
  6. Step 6: Final answer
    x = 18,308.17

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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.