Home / 54,053.55-81,075.45-38,326.05

Finding the Fourth Proportional to 54,053.55, 81,075.45 and 38,326.05

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Solution

The fourth proportional to 54,053.55, 81,075.45 and 38,326.05 is: 57,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.55 : 81,075.45 = 38,326.05 : x
  2. Step 2: Convert to fraction form
    54,053.55/81,075.45 = 38,326.05/x
  3. Step 3: Cross multiply
    54,053.55x = 81,075.45 × 38,326.05
  4. Step 4: Simplify right side
    54,053.55x = 3,107,301,750.47
  5. Step 5: Solve for x
    x = 3,107,301,750.47/54,053.55
  6. Step 6: Final answer
    x = 57,485.62

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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.