Home / 43,101.24-64,651.86-11,935.80

Finding the Fourth Proportional to 43,101.24, 64,651.86 and 11,935.80

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Solution

The fourth proportional to 43,101.24, 64,651.86 and 11,935.80 is: 17,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.24 : 64,651.86 = 11,935.80 : x
  2. Step 2: Convert to fraction form
    43,101.24/64,651.86 = 11,935.80/x
  3. Step 3: Cross multiply
    43,101.24x = 64,651.86 × 11,935.80
  4. Step 4: Simplify right side
    43,101.24x = 771,671,670.59
  5. Step 5: Solve for x
    x = 771,671,670.59/43,101.24
  6. Step 6: Final answer
    x = 17,903.70

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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.