Home / 94,781.42-142,124.46-31,579.16

Finding the Fourth Proportional to 94,781.42, 142,124.46 and 31,579.16

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Solution

The fourth proportional to 94,781.42, 142,124.46 and 31,579.16 is: 47,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,781.42 : 142,124.46 = 31,579.16 : x
  2. Step 2: Convert to fraction form
    94,781.42/142,124.46 = 31,579.16/x
  3. Step 3: Cross multiply
    94,781.42x = 142,124.46 × 31,579.16
  4. Step 4: Simplify right side
    94,781.42x = 4,488,171,062.25
  5. Step 5: Solve for x
    x = 4,488,171,062.25/94,781.42
  6. Step 6: Final answer
    x = 47,352.86

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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.