Home / 118,014.45-162,860.67-70,269.81

Finding the Fourth Proportional to 118,014.45, 162,860.67 and 70,269.81

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Solution

The fourth proportional to 118,014.45, 162,860.67 and 70,269.81 is: 96,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,014.45 : 162,860.67 = 70,269.81 : x
  2. Step 2: Convert to fraction form
    118,014.45/162,860.67 = 70,269.81/x
  3. Step 3: Cross multiply
    118,014.45x = 162,860.67 × 70,269.81
  4. Step 4: Simplify right side
    118,014.45x = 11,444,188,337.37
  5. Step 5: Solve for x
    x = 11,444,188,337.37/118,014.45
  6. Step 6: Final answer
    x = 96,972.77

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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.