Home / 43,089.76-64,622.08-16,788.64

Finding the Fourth Proportional to 43,089.76, 64,622.08 and 16,788.64

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Solution

The fourth proportional to 43,089.76, 64,622.08 and 16,788.64 is: 25,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,089.76 : 64,622.08 = 16,788.64 : x
  2. Step 2: Convert to fraction form
    43,089.76/64,622.08 = 16,788.64/x
  3. Step 3: Cross multiply
    43,089.76x = 64,622.08 × 16,788.64
  4. Step 4: Simplify right side
    43,089.76x = 1,084,916,837.17
  5. Step 5: Solve for x
    x = 1,084,916,837.17/43,089.76
  6. Step 6: Final answer
    x = 25,178.07

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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.