Home / 75,490.02-113,169.96-31,089.06

Finding the Fourth Proportional to 75,490.02, 113,169.96 and 31,089.06

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Solution

The fourth proportional to 75,490.02, 113,169.96 and 31,089.06 is: 46,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,490.02 : 113,169.96 = 31,089.06 : x
  2. Step 2: Convert to fraction form
    75,490.02/113,169.96 = 31,089.06/x
  3. Step 3: Cross multiply
    75,490.02x = 113,169.96 × 31,089.06
  4. Step 4: Simplify right side
    75,490.02x = 3,518,347,676.64
  5. Step 5: Solve for x
    x = 3,518,347,676.64/75,490.02
  6. Step 6: Final answer
    x = 46,606.79

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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.