Home / 42,090.62-63,141.96-14,001.44

Finding the Fourth Proportional to 42,090.62, 63,141.96 and 14,001.44

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Solution

The fourth proportional to 42,090.62, 63,141.96 and 14,001.44 is: 21,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,090.62 : 63,141.96 = 14,001.44 : x
  2. Step 2: Convert to fraction form
    42,090.62/63,141.96 = 14,001.44/x
  3. Step 3: Cross multiply
    42,090.62x = 63,141.96 × 14,001.44
  4. Step 4: Simplify right side
    42,090.62x = 884,078,364.42
  5. Step 5: Solve for x
    x = 884,078,364.42/42,090.62
  6. Step 6: Final answer
    x = 21,004.17

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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.