Home / 77,656.89-107,122.72-46,604.19

Finding the Fourth Proportional to 77,656.89, 107,122.72 and 46,604.19

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Solution

The fourth proportional to 77,656.89, 107,122.72 and 46,604.19 is: 64,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,656.89 : 107,122.72 = 46,604.19 : x
  2. Step 2: Convert to fraction form
    77,656.89/107,122.72 = 46,604.19/x
  3. Step 3: Cross multiply
    77,656.89x = 107,122.72 × 46,604.19
  4. Step 4: Simplify right side
    77,656.89x = 4,992,367,546.21
  5. Step 5: Solve for x
    x = 4,992,367,546.21/77,656.89
  6. Step 6: Final answer
    x = 64,287.51

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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.