Home / 109,421.29-164,149.43-46,242.02

Finding the Fourth Proportional to 109,421.29, 164,149.43 and 46,242.02

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Solution

The fourth proportional to 109,421.29, 164,149.43 and 46,242.02 is: 69,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,421.29 : 164,149.43 = 46,242.02 : x
  2. Step 2: Convert to fraction form
    109,421.29/164,149.43 = 46,242.02/x
  3. Step 3: Cross multiply
    109,421.29x = 164,149.43 × 46,242.02
  4. Step 4: Simplify right side
    109,421.29x = 7,590,600,993.84
  5. Step 5: Solve for x
    x = 7,590,600,993.84/109,421.29
  6. Step 6: Final answer
    x = 69,370.42

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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.