Home / 51,085.13-76,627.69-14,149.13

Finding the Fourth Proportional to 51,085.13, 76,627.69 and 14,149.13

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Solution

The fourth proportional to 51,085.13, 76,627.69 and 14,149.13 is: 21,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,085.13 : 76,627.69 = 14,149.13 : x
  2. Step 2: Convert to fraction form
    51,085.13/76,627.69 = 14,149.13/x
  3. Step 3: Cross multiply
    51,085.13x = 76,627.69 × 14,149.13
  4. Step 4: Simplify right side
    51,085.13x = 1,084,215,147.41
  5. Step 5: Solve for x
    x = 1,084,215,147.41/51,085.13
  6. Step 6: Final answer
    x = 21,223.69

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1.5x scale

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.