Home / 75,778.86-104,570.52-47,097.78

Finding the Fourth Proportional to 75,778.86, 104,570.52 and 47,097.78

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Solution

The fourth proportional to 75,778.86, 104,570.52 and 47,097.78 is: 64,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778.86 : 104,570.52 = 47,097.78 : x
  2. Step 2: Convert to fraction form
    75,778.86/104,570.52 = 47,097.78/x
  3. Step 3: Cross multiply
    75,778.86x = 104,570.52 × 47,097.78
  4. Step 4: Simplify right side
    75,778.86x = 4,925,039,345.45
  5. Step 5: Solve for x
    x = 4,925,039,345.45/75,778.86
  6. Step 6: Final answer
    x = 64,992.26

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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.