Home / 85,556.32-118,068.12-47,829.76

Finding the Fourth Proportional to 85,556.32, 118,068.12 and 47,829.76

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Solution

The fourth proportional to 85,556.32, 118,068.12 and 47,829.76 is: 66,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556.32 : 118,068.12 = 47,829.76 : x
  2. Step 2: Convert to fraction form
    85,556.32/118,068.12 = 47,829.76/x
  3. Step 3: Cross multiply
    85,556.32x = 118,068.12 × 47,829.76
  4. Step 4: Simplify right side
    85,556.32x = 5,647,169,843.25
  5. Step 5: Solve for x
    x = 5,647,169,843.25/85,556.32
  6. Step 6: Final answer
    x = 66,005.29

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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.