Home / 51,226.83-76,690.80-31,445.42

Finding the Fourth Proportional to 51,226.83, 76,690.80 and 31,445.42

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Solution

The fourth proportional to 51,226.83, 76,690.80 and 31,445.42 is: 47,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,226.83 : 76,690.80 = 31,445.42 : x
  2. Step 2: Convert to fraction form
    51,226.83/76,690.80 = 31,445.42/x
  3. Step 3: Cross multiply
    51,226.83x = 76,690.80 × 31,445.42
  4. Step 4: Simplify right side
    51,226.83x = 2,411,574,032.68
  5. Step 5: Solve for x
    x = 2,411,574,032.68/51,226.83
  6. Step 6: Final answer
    x = 47,076.39

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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.