Home / 84,087.40-116,040.04-46,361.65

Finding the Fourth Proportional to 84,087.40, 116,040.04 and 46,361.65

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Solution

The fourth proportional to 84,087.40, 116,040.04 and 46,361.65 is: 63,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087.40 : 116,040.04 = 46,361.65 : x
  2. Step 2: Convert to fraction form
    84,087.40/116,040.04 = 46,361.65/x
  3. Step 3: Cross multiply
    84,087.40x = 116,040.04 × 46,361.65
  4. Step 4: Simplify right side
    84,087.40x = 5,379,807,720.47
  5. Step 5: Solve for x
    x = 5,379,807,720.47/84,087.40
  6. Step 6: Final answer
    x = 63,978.76

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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.