Home / 51,112.16-70,534.77-28,450.66

Finding the Fourth Proportional to 51,112.16, 70,534.77 and 28,450.66

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Solution

The fourth proportional to 51,112.16, 70,534.77 and 28,450.66 is: 39,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.16 : 70,534.77 = 28,450.66 : x
  2. Step 2: Convert to fraction form
    51,112.16/70,534.77 = 28,450.66/x
  3. Step 3: Cross multiply
    51,112.16x = 70,534.77 × 28,450.66
  4. Step 4: Simplify right side
    51,112.16x = 2,006,760,759.45
  5. Step 5: Solve for x
    x = 2,006,760,759.45/51,112.16
  6. Step 6: Final answer
    x = 39,261.90

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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.