Home / 43,263.53-64,894.87-13,681.37

Finding the Fourth Proportional to 43,263.53, 64,894.87 and 13,681.37

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Solution

The fourth proportional to 43,263.53, 64,894.87 and 13,681.37 is: 20,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,263.53 : 64,894.87 = 13,681.37 : x
  2. Step 2: Convert to fraction form
    43,263.53/64,894.87 = 13,681.37/x
  3. Step 3: Cross multiply
    43,263.53x = 64,894.87 × 13,681.37
  4. Step 4: Simplify right side
    43,263.53x = 887,850,906.91
  5. Step 5: Solve for x
    x = 887,850,906.91/43,263.53
  6. Step 6: Final answer
    x = 20,521.92

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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.