Home / 109,810.18-164,682.60-46,629.40

Finding the Fourth Proportional to 109,810.18, 164,682.60 and 46,629.40

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Solution

The fourth proportional to 109,810.18, 164,682.60 and 46,629.40 is: 69,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,810.18 : 164,682.60 = 46,629.40 : x
  2. Step 2: Convert to fraction form
    109,810.18/164,682.60 = 46,629.40/x
  3. Step 3: Cross multiply
    109,810.18x = 164,682.60 × 46,629.40
  4. Step 4: Simplify right side
    109,810.18x = 7,679,050,828.44
  5. Step 5: Solve for x
    x = 7,679,050,828.44/109,810.18
  6. Step 6: Final answer
    x = 69,930.23

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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.