Home / 75,633.75-104,374.58-43,812.90

Finding the Fourth Proportional to 75,633.75, 104,374.58 and 43,812.90

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Solution

The fourth proportional to 75,633.75, 104,374.58 and 43,812.90 is: 60,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.75 : 104,374.58 = 43,812.90 : x
  2. Step 2: Convert to fraction form
    75,633.75/104,374.58 = 43,812.90/x
  3. Step 3: Cross multiply
    75,633.75x = 104,374.58 × 43,812.90
  4. Step 4: Simplify right side
    75,633.75x = 4,572,952,817.02
  5. Step 5: Solve for x
    x = 4,572,952,817.02/75,633.75
  6. Step 6: Final answer
    x = 60,461.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.