Home / 46,987.90-70,480.93-11,449.42

Finding the Fourth Proportional to 46,987.90, 70,480.93 and 11,449.42

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Solution

The fourth proportional to 46,987.90, 70,480.93 and 11,449.42 is: 17,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,987.90 : 70,480.93 = 11,449.42 : x
  2. Step 2: Convert to fraction form
    46,987.90/70,480.93 = 11,449.42/x
  3. Step 3: Cross multiply
    46,987.90x = 70,480.93 × 11,449.42
  4. Step 4: Simplify right side
    46,987.90x = 806,965,769.56
  5. Step 5: Solve for x
    x = 806,965,769.56/46,987.90
  6. Step 6: Final answer
    x = 17,173.91

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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.