Home / 43,257.62-64,886.02-13,675.46

Finding the Fourth Proportional to 43,257.62, 64,886.02 and 13,675.46

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Solution

The fourth proportional to 43,257.62, 64,886.02 and 13,675.46 is: 20,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,257.62 : 64,886.02 = 13,675.46 : x
  2. Step 2: Convert to fraction form
    43,257.62/64,886.02 = 13,675.46/x
  3. Step 3: Cross multiply
    43,257.62x = 64,886.02 × 13,675.46
  4. Step 4: Simplify right side
    43,257.62x = 887,346,091.10
  5. Step 5: Solve for x
    x = 887,346,091.10/43,257.62
  6. Step 6: Final answer
    x = 20,513.06

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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.