Home / 85,590.54-118,120.41-47,865.06

Finding the Fourth Proportional to 85,590.54, 118,120.41 and 47,865.06

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Solution

The fourth proportional to 85,590.54, 118,120.41 and 47,865.06 is: 66,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590.54 : 118,120.41 = 47,865.06 : x
  2. Step 2: Convert to fraction form
    85,590.54/118,120.41 = 47,865.06/x
  3. Step 3: Cross multiply
    85,590.54x = 118,120.41 × 47,865.06
  4. Step 4: Simplify right side
    85,590.54x = 5,653,840,511.87
  5. Step 5: Solve for x
    x = 5,653,840,511.87/85,590.54
  6. Step 6: Final answer
    x = 66,056.84

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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.