Home / 42,602.43-63,903.27-11,009.79

Finding the Fourth Proportional to 42,602.43, 63,903.27 and 11,009.79

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Solution

The fourth proportional to 42,602.43, 63,903.27 and 11,009.79 is: 16,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.43 : 63,903.27 = 11,009.79 : x
  2. Step 2: Convert to fraction form
    42,602.43/63,903.27 = 11,009.79/x
  3. Step 3: Cross multiply
    42,602.43x = 63,903.27 × 11,009.79
  4. Step 4: Simplify right side
    42,602.43x = 703,561,583.01
  5. Step 5: Solve for x
    x = 703,561,583.01/42,602.43
  6. Step 6: Final answer
    x = 16,514.59

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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.