Home / 43,097.60-64,646.39-13,518.02

Finding the Fourth Proportional to 43,097.60, 64,646.39 and 13,518.02

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Solution

The fourth proportional to 43,097.60, 64,646.39 and 13,518.02 is: 20,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,097.60 : 64,646.39 = 13,518.02 : x
  2. Step 2: Convert to fraction form
    43,097.60/64,646.39 = 13,518.02/x
  3. Step 3: Cross multiply
    43,097.60x = 64,646.39 × 13,518.02
  4. Step 4: Simplify right side
    43,097.60x = 873,891,192.95
  5. Step 5: Solve for x
    x = 873,891,192.95/43,097.60
  6. Step 6: Final answer
    x = 20,277.03

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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.