Home / 50,820.36-70,130.21-29,311.01

Finding the Fourth Proportional to 50,820.36, 70,130.21 and 29,311.01

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Solution

The fourth proportional to 50,820.36, 70,130.21 and 29,311.01 is: 40,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.36 : 70,130.21 = 29,311.01 : x
  2. Step 2: Convert to fraction form
    50,820.36/70,130.21 = 29,311.01/x
  3. Step 3: Cross multiply
    50,820.36x = 70,130.21 × 29,311.01
  4. Step 4: Simplify right side
    50,820.36x = 2,055,586,789.41
  5. Step 5: Solve for x
    x = 2,055,586,789.41/50,820.36
  6. Step 6: Final answer
    x = 40,448.10

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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.