Home / 54,541.86-81,763.54-37,909.72

Finding the Fourth Proportional to 54,541.86, 81,763.54 and 37,909.72

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Solution

The fourth proportional to 54,541.86, 81,763.54 and 37,909.72 is: 56,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.86 : 81,763.54 = 37,909.72 : x
  2. Step 2: Convert to fraction form
    54,541.86/81,763.54 = 37,909.72/x
  3. Step 3: Cross multiply
    54,541.86x = 81,763.54 × 37,909.72
  4. Step 4: Simplify right side
    54,541.86x = 3,099,632,907.61
  5. Step 5: Solve for x
    x = 3,099,632,907.61/54,541.86
  6. Step 6: Final answer
    x = 56,830.35

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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.