Home / 54,020.04-81,054.36-34,293.30

Finding the Fourth Proportional to 54,020.04, 81,054.36 and 34,293.30

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Solution

The fourth proportional to 54,020.04, 81,054.36 and 34,293.30 is: 51,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.04 : 81,054.36 = 34,293.30 : x
  2. Step 2: Convert to fraction form
    54,020.04/81,054.36 = 34,293.30/x
  3. Step 3: Cross multiply
    54,020.04x = 81,054.36 × 34,293.30
  4. Step 4: Simplify right side
    54,020.04x = 2,779,621,483.79
  5. Step 5: Solve for x
    x = 2,779,621,483.79/54,020.04
  6. Step 6: Final answer
    x = 51,455.38

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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.