Home / 51,369.03-70,887.86-28,708.12

Finding the Fourth Proportional to 51,369.03, 70,887.86 and 28,708.12

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Solution

The fourth proportional to 51,369.03, 70,887.86 and 28,708.12 is: 39,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,369.03 : 70,887.86 = 28,708.12 : x
  2. Step 2: Convert to fraction form
    51,369.03/70,887.86 = 28,708.12/x
  3. Step 3: Cross multiply
    51,369.03x = 70,887.86 × 28,708.12
  4. Step 4: Simplify right side
    51,369.03x = 2,035,057,047.88
  5. Step 5: Solve for x
    x = 2,035,057,047.88/51,369.03
  6. Step 6: Final answer
    x = 39,616.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.