Home / 54,127.77-81,210.04-29,170.32

Finding the Fourth Proportional to 54,127.77, 81,210.04 and 29,170.32

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Solution

The fourth proportional to 54,127.77, 81,210.04 and 29,170.32 is: 43,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,127.77 : 81,210.04 = 29,170.32 : x
  2. Step 2: Convert to fraction form
    54,127.77/81,210.04 = 29,170.32/x
  3. Step 3: Cross multiply
    54,127.77x = 81,210.04 × 29,170.32
  4. Step 4: Simplify right side
    54,127.77x = 2,368,922,708.16
  5. Step 5: Solve for x
    x = 2,368,922,708.16/54,127.77
  6. Step 6: Final answer
    x = 43,765.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.