Home / 82,129.68-113,338.80-44,403.84

Finding the Fourth Proportional to 82,129.68, 113,338.80 and 44,403.84

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Solution

The fourth proportional to 82,129.68, 113,338.80 and 44,403.84 is: 61,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,129.68 : 113,338.80 = 44,403.84 : x
  2. Step 2: Convert to fraction form
    82,129.68/113,338.80 = 44,403.84/x
  3. Step 3: Cross multiply
    82,129.68x = 113,338.80 × 44,403.84
  4. Step 4: Simplify right side
    82,129.68x = 5,032,677,940.99
  5. Step 5: Solve for x
    x = 5,032,677,940.99/82,129.68
  6. Step 6: Final answer
    x = 61,277.21

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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.