Home / 45,231.90-67,847.85-43,312.20

Finding the Fourth Proportional to 45,231.90, 67,847.85 and 43,312.20

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Solution

The fourth proportional to 45,231.90, 67,847.85 and 43,312.20 is: 64,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.90 : 67,847.85 = 43,312.20 : x
  2. Step 2: Convert to fraction form
    45,231.90/67,847.85 = 43,312.20/x
  3. Step 3: Cross multiply
    45,231.90x = 67,847.85 × 43,312.20
  4. Step 4: Simplify right side
    45,231.90x = 2,938,639,648.77
  5. Step 5: Solve for x
    x = 2,938,639,648.77/45,231.90
  6. Step 6: Final answer
    x = 64,968.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.