Home / 42,650.34-63,989.66-13,068.47

Finding the Fourth Proportional to 42,650.34, 63,989.66 and 13,068.47

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Solution

The fourth proportional to 42,650.34, 63,989.66 and 13,068.47 is: 19,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,650.34 : 63,989.66 = 13,068.47 : x
  2. Step 2: Convert to fraction form
    42,650.34/63,989.66 = 13,068.47/x
  3. Step 3: Cross multiply
    42,650.34x = 63,989.66 × 13,068.47
  4. Step 4: Simplify right side
    42,650.34x = 836,246,566.73
  5. Step 5: Solve for x
    x = 836,246,566.73/42,650.34
  6. Step 6: Final answer
    x = 19,607.03

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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.