Home / 77,836.96-107,415.18-46,021.60

Finding the Fourth Proportional to 77,836.96, 107,415.18 and 46,021.60

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Solution

The fourth proportional to 77,836.96, 107,415.18 and 46,021.60 is: 63,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,836.96 : 107,415.18 = 46,021.60 : x
  2. Step 2: Convert to fraction form
    77,836.96/107,415.18 = 46,021.60/x
  3. Step 3: Cross multiply
    77,836.96x = 107,415.18 × 46,021.60
  4. Step 4: Simplify right side
    77,836.96x = 4,943,418,447.89
  5. Step 5: Solve for x
    x = 4,943,418,447.89/77,836.96
  6. Step 6: Final answer
    x = 63,509.91

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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.