Home / 78,516.94-108,317.64-46,667.74

Finding the Fourth Proportional to 78,516.94, 108,317.64 and 46,667.74

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Solution

The fourth proportional to 78,516.94, 108,317.64 and 46,667.74 is: 64,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,516.94 : 108,317.64 = 46,667.74 : x
  2. Step 2: Convert to fraction form
    78,516.94/108,317.64 = 46,667.74/x
  3. Step 3: Cross multiply
    78,516.94x = 108,317.64 × 46,667.74
  4. Step 4: Simplify right side
    78,516.94x = 5,054,939,460.93
  5. Step 5: Solve for x
    x = 5,054,939,460.93/78,516.94
  6. Step 6: Final answer
    x = 64,380.24

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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.