Home / 76,408.02-114,613.44-26,489.74

Finding the Fourth Proportional to 76,408.02, 114,613.44 and 26,489.74

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Solution

The fourth proportional to 76,408.02, 114,613.44 and 26,489.74 is: 39,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,408.02 : 114,613.44 = 26,489.74 : x
  2. Step 2: Convert to fraction form
    76,408.02/114,613.44 = 26,489.74/x
  3. Step 3: Cross multiply
    76,408.02x = 114,613.44 × 26,489.74
  4. Step 4: Simplify right side
    76,408.02x = 3,036,080,226.11
  5. Step 5: Solve for x
    x = 3,036,080,226.11/76,408.02
  6. Step 6: Final answer
    x = 39,735.10

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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.