Home / 43,970.18-65,954.36-10,690.42

Finding the Fourth Proportional to 43,970.18, 65,954.36 and 10,690.42

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Solution

The fourth proportional to 43,970.18, 65,954.36 and 10,690.42 is: 16,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.18 : 65,954.36 = 10,690.42 : x
  2. Step 2: Convert to fraction form
    43,970.18/65,954.36 = 10,690.42/x
  3. Step 3: Cross multiply
    43,970.18x = 65,954.36 × 10,690.42
  4. Step 4: Simplify right side
    43,970.18x = 705,079,590.89
  5. Step 5: Solve for x
    x = 705,079,590.89/43,970.18
  6. Step 6: Final answer
    x = 16,035.40

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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.