Home / 109,477.56-164,156.73-49,435.68

Finding the Fourth Proportional to 109,477.56, 164,156.73 and 49,435.68

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Solution

The fourth proportional to 109,477.56, 164,156.73 and 49,435.68 is: 74,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,477.56 : 164,156.73 = 49,435.68 : x
  2. Step 2: Convert to fraction form
    109,477.56/164,156.73 = 49,435.68/x
  3. Step 3: Cross multiply
    109,477.56x = 164,156.73 × 49,435.68
  4. Step 4: Simplify right side
    109,477.56x = 8,115,199,574.13
  5. Step 5: Solve for x
    x = 8,115,199,574.13/109,477.56
  6. Step 6: Final answer
    x = 74,126.60

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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.