Home / 81,900.14-113,021.84-46,090.76

Finding the Fourth Proportional to 81,900.14, 113,021.84 and 46,090.76

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Solution

The fourth proportional to 81,900.14, 113,021.84 and 46,090.76 is: 63,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,900.14 : 113,021.84 = 46,090.76 : x
  2. Step 2: Convert to fraction form
    81,900.14/113,021.84 = 46,090.76/x
  3. Step 3: Cross multiply
    81,900.14x = 113,021.84 × 46,090.76
  4. Step 4: Simplify right side
    81,900.14x = 5,209,262,899.98
  5. Step 5: Solve for x
    x = 5,209,262,899.98/81,900.14
  6. Step 6: Final answer
    x = 63,605.05

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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.