Home / 76,790.96-105,976.84-46,577.55

Finding the Fourth Proportional to 76,790.96, 105,976.84 and 46,577.55

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Solution

The fourth proportional to 76,790.96, 105,976.84 and 46,577.55 is: 64,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,790.96 : 105,976.84 = 46,577.55 : x
  2. Step 2: Convert to fraction form
    76,790.96/105,976.84 = 46,577.55/x
  3. Step 3: Cross multiply
    76,790.96x = 105,976.84 × 46,577.55
  4. Step 4: Simplify right side
    76,790.96x = 4,936,142,019.58
  5. Step 5: Solve for x
    x = 4,936,142,019.58/76,790.96
  6. Step 6: Final answer
    x = 64,280.25

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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.