Home / 80,845.61-121,223.77-37,521.31

Finding the Fourth Proportional to 80,845.61, 121,223.77 and 37,521.31

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Solution

The fourth proportional to 80,845.61, 121,223.77 and 37,521.31 is: 56,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.61 : 121,223.77 = 37,521.31 : x
  2. Step 2: Convert to fraction form
    80,845.61/121,223.77 = 37,521.31/x
  3. Step 3: Cross multiply
    80,845.61x = 121,223.77 × 37,521.31
  4. Step 4: Simplify right side
    80,845.61x = 4,548,474,047.42
  5. Step 5: Solve for x
    x = 4,548,474,047.42/80,845.61
  6. Step 6: Final answer
    x = 56,261.24

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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.