Home / 50,989.14-70,370.01-29,479.80

Finding the Fourth Proportional to 50,989.14, 70,370.01 and 29,479.80

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Solution

The fourth proportional to 50,989.14, 70,370.01 and 29,479.80 is: 40,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.14 : 70,370.01 = 29,479.80 : x
  2. Step 2: Convert to fraction form
    50,989.14/70,370.01 = 29,479.80/x
  3. Step 3: Cross multiply
    50,989.14x = 70,370.01 × 29,479.80
  4. Step 4: Simplify right side
    50,989.14x = 2,074,493,820.80
  5. Step 5: Solve for x
    x = 2,074,493,820.80/50,989.14
  6. Step 6: Final answer
    x = 40,685.01

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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.