Home / 109,539.92-164,048.24-56,100.98

Finding the Fourth Proportional to 109,539.92, 164,048.24 and 56,100.98

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Solution

The fourth proportional to 109,539.92, 164,048.24 and 56,100.98 is: 84,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,539.92 : 164,048.24 = 56,100.98 : x
  2. Step 2: Convert to fraction form
    109,539.92/164,048.24 = 56,100.98/x
  3. Step 3: Cross multiply
    109,539.92x = 164,048.24 × 56,100.98
  4. Step 4: Simplify right side
    109,539.92x = 9,203,267,031.28
  5. Step 5: Solve for x
    x = 9,203,267,031.28/109,539.92
  6. Step 6: Final answer
    x = 84,017.47

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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.