Home / 51,118.75-70,548.20-28,767.07

Finding the Fourth Proportional to 51,118.75, 70,548.20 and 28,767.07

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Solution

The fourth proportional to 51,118.75, 70,548.20 and 28,767.07 is: 39,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.75 : 70,548.20 = 28,767.07 : x
  2. Step 2: Convert to fraction form
    51,118.75/70,548.20 = 28,767.07/x
  3. Step 3: Cross multiply
    51,118.75x = 70,548.20 × 28,767.07
  4. Step 4: Simplify right side
    51,118.75x = 2,029,465,007.77
  5. Step 5: Solve for x
    x = 2,029,465,007.77/51,118.75
  6. Step 6: Final answer
    x = 39,700.99

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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.