Home / 109,006.47-150,415.43-63,073.98

Finding the Fourth Proportional to 109,006.47, 150,415.43 and 63,073.98

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Solution

The fourth proportional to 109,006.47, 150,415.43 and 63,073.98 is: 87,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,006.47 : 150,415.43 = 63,073.98 : x
  2. Step 2: Convert to fraction form
    109,006.47/150,415.43 = 63,073.98/x
  3. Step 3: Cross multiply
    109,006.47x = 150,415.43 × 63,073.98
  4. Step 4: Simplify right side
    109,006.47x = 9,487,299,508.14
  5. Step 5: Solve for x
    x = 9,487,299,508.14/109,006.47
  6. Step 6: Final answer
    x = 87,034.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.