Home / 109,535.76-164,323.08-56,940.84

Finding the Fourth Proportional to 109,535.76, 164,323.08 and 56,940.84

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Solution

The fourth proportional to 109,535.76, 164,323.08 and 56,940.84 is: 85,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,535.76 : 164,323.08 = 56,940.84 : x
  2. Step 2: Convert to fraction form
    109,535.76/164,323.08 = 56,940.84/x
  3. Step 3: Cross multiply
    109,535.76x = 164,323.08 × 56,940.84
  4. Step 4: Simplify right side
    109,535.76x = 9,356,694,206.59
  5. Step 5: Solve for x
    x = 9,356,694,206.59/109,535.76
  6. Step 6: Final answer
    x = 85,421.37

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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.