Home / 73,250.07-109,879.40-28,271.67

Finding the Fourth Proportional to 73,250.07, 109,879.40 and 28,271.67

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Solution

The fourth proportional to 73,250.07, 109,879.40 and 28,271.67 is: 42,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,250.07 : 109,879.40 = 28,271.67 : x
  2. Step 2: Convert to fraction form
    73,250.07/109,879.40 = 28,271.67/x
  3. Step 3: Cross multiply
    73,250.07x = 109,879.40 × 28,271.67
  4. Step 4: Simplify right side
    73,250.07x = 3,106,474,136.60
  5. Step 5: Solve for x
    x = 3,106,474,136.60/73,250.07
  6. Step 6: Final answer
    x = 42,409.16

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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.