Home / 53,096.99-73,271.64-30,420.23

Finding the Fourth Proportional to 53,096.99, 73,271.64 and 30,420.23

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Solution

The fourth proportional to 53,096.99, 73,271.64 and 30,420.23 is: 41,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,096.99 : 73,271.64 = 30,420.23 : x
  2. Step 2: Convert to fraction form
    53,096.99/73,271.64 = 30,420.23/x
  3. Step 3: Cross multiply
    53,096.99x = 73,271.64 × 30,420.23
  4. Step 4: Simplify right side
    53,096.99x = 2,228,940,336.11
  5. Step 5: Solve for x
    x = 2,228,940,336.11/53,096.99
  6. Step 6: Final answer
    x = 41,978.65

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1.5x scale

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.