Home / 114,445.12-171,641.44-31,345.60

Finding the Fourth Proportional to 114,445.12, 171,641.44 and 31,345.60

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Solution

The fourth proportional to 114,445.12, 171,641.44 and 31,345.60 is: 47,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,445.12 : 171,641.44 = 31,345.60 : x
  2. Step 2: Convert to fraction form
    114,445.12/171,641.44 = 31,345.60/x
  3. Step 3: Cross multiply
    114,445.12x = 171,641.44 × 31,345.60
  4. Step 4: Simplify right side
    114,445.12x = 5,380,203,921.66
  5. Step 5: Solve for x
    x = 5,380,203,921.66/114,445.12
  6. Step 6: Final answer
    x = 47,011.21

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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.