Home / 75,801.08-113,653.04-31,458.44

Finding the Fourth Proportional to 75,801.08, 113,653.04 and 31,458.44

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Solution

The fourth proportional to 75,801.08, 113,653.04 and 31,458.44 is: 47,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,801.08 : 113,653.04 = 31,458.44 : x
  2. Step 2: Convert to fraction form
    75,801.08/113,653.04 = 31,458.44/x
  3. Step 3: Cross multiply
    75,801.08x = 113,653.04 × 31,458.44
  4. Step 4: Simplify right side
    75,801.08x = 3,575,347,339.66
  5. Step 5: Solve for x
    x = 3,575,347,339.66/75,801.08
  6. Step 6: Final answer
    x = 47,167.50

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1.5x scale

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.