Home / 54,088.56-81,137.12-19,036.08

Finding the Fourth Proportional to 54,088.56, 81,137.12 and 19,036.08

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Solution

The fourth proportional to 54,088.56, 81,137.12 and 19,036.08 is: 28,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,088.56 : 81,137.12 = 19,036.08 : x
  2. Step 2: Convert to fraction form
    54,088.56/81,137.12 = 19,036.08/x
  3. Step 3: Cross multiply
    54,088.56x = 81,137.12 × 19,036.08
  4. Step 4: Simplify right side
    54,088.56x = 1,544,532,707.29
  5. Step 5: Solve for x
    x = 1,544,532,707.29/54,088.56
  6. Step 6: Final answer
    x = 28,555.63

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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.