Home / 75,705.00-113,522.89-28,285.30

Finding the Fourth Proportional to 75,705.00, 113,522.89 and 28,285.30

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Solution

The fourth proportional to 75,705.00, 113,522.89 and 28,285.30 is: 42,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,705.00 : 113,522.89 = 28,285.30 : x
  2. Step 2: Convert to fraction form
    75,705.00/113,522.89 = 28,285.30/x
  3. Step 3: Cross multiply
    75,705.00x = 113,522.89 × 28,285.30
  4. Step 4: Simplify right side
    75,705.00x = 3,211,029,444.03
  5. Step 5: Solve for x
    x = 3,211,029,444.03/75,705.00
  6. Step 6: Final answer
    x = 42,415.03

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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.