Home / 72,460.12-99,889.96-50,884.14

Finding the Fourth Proportional to 72,460.12, 99,889.96 and 50,884.14

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Solution

The fourth proportional to 72,460.12, 99,889.96 and 50,884.14 is: 70,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460.12 : 99,889.96 = 50,884.14 : x
  2. Step 2: Convert to fraction form
    72,460.12/99,889.96 = 50,884.14/x
  3. Step 3: Cross multiply
    72,460.12x = 99,889.96 × 50,884.14
  4. Step 4: Simplify right side
    72,460.12x = 5,082,814,709.23
  5. Step 5: Solve for x
    x = 5,082,814,709.23/72,460.12
  6. Step 6: Final answer
    x = 70,146.37

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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.