Home / 54,090.56-81,140.12-19,038.08

Finding the Fourth Proportional to 54,090.56, 81,140.12 and 19,038.08

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Solution

The fourth proportional to 54,090.56, 81,140.12 and 19,038.08 is: 28,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.56 : 81,140.12 = 19,038.08 : x
  2. Step 2: Convert to fraction form
    54,090.56/81,140.12 = 19,038.08/x
  3. Step 3: Cross multiply
    54,090.56x = 81,140.12 × 19,038.08
  4. Step 4: Simplify right side
    54,090.56x = 1,544,752,095.77
  5. Step 5: Solve for x
    x = 1,544,752,095.77/54,090.56
  6. Step 6: Final answer
    x = 28,558.63

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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.