Home / 54,050.55-81,070.95-38,323.05

Finding the Fourth Proportional to 54,050.55, 81,070.95 and 38,323.05

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Solution

The fourth proportional to 54,050.55, 81,070.95 and 38,323.05 is: 57,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,050.55 : 81,070.95 = 38,323.05 : x
  2. Step 2: Convert to fraction form
    54,050.55/81,070.95 = 38,323.05/x
  3. Step 3: Cross multiply
    54,050.55x = 81,070.95 × 38,323.05
  4. Step 4: Simplify right side
    54,050.55x = 3,106,886,070.40
  5. Step 5: Solve for x
    x = 3,106,886,070.40/54,050.55
  6. Step 6: Final answer
    x = 57,481.12

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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.