Home / 70,415.18-105,622.84-17,824.66

Finding the Fourth Proportional to 70,415.18, 105,622.84 and 17,824.66

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Solution

The fourth proportional to 70,415.18, 105,622.84 and 17,824.66 is: 26,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,415.18 : 105,622.84 = 17,824.66 : x
  2. Step 2: Convert to fraction form
    70,415.18/105,622.84 = 17,824.66/x
  3. Step 3: Cross multiply
    70,415.18x = 105,622.84 × 17,824.66
  4. Step 4: Simplify right side
    70,415.18x = 1,882,690,683.12
  5. Step 5: Solve for x
    x = 1,882,690,683.12/70,415.18
  6. Step 6: Final answer
    x = 26,737.00

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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.