Home / 72,880.03-109,295.59-27,890.89

Finding the Fourth Proportional to 72,880.03, 109,295.59 and 27,890.89

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Solution

The fourth proportional to 72,880.03, 109,295.59 and 27,890.89 is: 41,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,880.03 : 109,295.59 = 27,890.89 : x
  2. Step 2: Convert to fraction form
    72,880.03/109,295.59 = 27,890.89/x
  3. Step 3: Cross multiply
    72,880.03x = 109,295.59 × 27,890.89
  4. Step 4: Simplify right side
    72,880.03x = 3,048,351,795.21
  5. Step 5: Solve for x
    x = 3,048,351,795.21/72,880.03
  6. Step 6: Final answer
    x = 41,826.98

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1.5x scale

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.