Home / 43,307.22-64,936.02-13,313.66

Finding the Fourth Proportional to 43,307.22, 64,936.02 and 13,313.66

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Solution

The fourth proportional to 43,307.22, 64,936.02 and 13,313.66 is: 19,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,307.22 : 64,936.02 = 13,313.66 : x
  2. Step 2: Convert to fraction form
    43,307.22/64,936.02 = 13,313.66/x
  3. Step 3: Cross multiply
    43,307.22x = 64,936.02 × 13,313.66
  4. Step 4: Simplify right side
    43,307.22x = 864,536,092.03
  5. Step 5: Solve for x
    x = 864,536,092.03/43,307.22
  6. Step 6: Final answer
    x = 19,962.86

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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.