Home / 124,622.90-186,711.60-75,847.40

Finding the Fourth Proportional to 124,622.90, 186,711.60 and 75,847.40

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Solution

The fourth proportional to 124,622.90, 186,711.60 and 75,847.40 is: 113,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,622.90 : 186,711.60 = 75,847.40 : x
  2. Step 2: Convert to fraction form
    124,622.90/186,711.60 = 75,847.40/x
  3. Step 3: Cross multiply
    124,622.90x = 186,711.60 × 75,847.40
  4. Step 4: Simplify right side
    124,622.90x = 14,161,589,409.84
  5. Step 5: Solve for x
    x = 14,161,589,409.84/124,622.90
  6. Step 6: Final answer
    x = 113,635.53

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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.