Home / 109,477.35-164,139.62-56,065.55

Finding the Fourth Proportional to 109,477.35, 164,139.62 and 56,065.55

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Solution

The fourth proportional to 109,477.35, 164,139.62 and 56,065.55 is: 84,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,477.35 : 164,139.62 = 56,065.55 : x
  2. Step 2: Convert to fraction form
    109,477.35/164,139.62 = 56,065.55/x
  3. Step 3: Cross multiply
    109,477.35x = 164,139.62 × 56,065.55
  4. Step 4: Simplify right side
    109,477.35x = 9,202,576,971.07
  5. Step 5: Solve for x
    x = 9,202,576,971.07/109,477.35
  6. Step 6: Final answer
    x = 84,059.19

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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.