Home / 50,821.36-70,131.58-29,312.01

Finding the Fourth Proportional to 50,821.36, 70,131.58 and 29,312.01

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Solution

The fourth proportional to 50,821.36, 70,131.58 and 29,312.01 is: 40,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.36 : 70,131.58 = 29,312.01 : x
  2. Step 2: Convert to fraction form
    50,821.36/70,131.58 = 29,312.01/x
  3. Step 3: Cross multiply
    50,821.36x = 70,131.58 × 29,312.01
  4. Step 4: Simplify right side
    50,821.36x = 2,055,697,574.28
  5. Step 5: Solve for x
    x = 2,055,697,574.28/50,821.36
  6. Step 6: Final answer
    x = 40,449.48

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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.