Home / 85,508.44-118,001.46-47,782.69

Finding the Fourth Proportional to 85,508.44, 118,001.46 and 47,782.69

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Solution

The fourth proportional to 85,508.44, 118,001.46 and 47,782.69 is: 65,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,508.44 : 118,001.46 = 47,782.69 : x
  2. Step 2: Convert to fraction form
    85,508.44/118,001.46 = 47,782.69/x
  3. Step 3: Cross multiply
    85,508.44x = 118,001.46 × 47,782.69
  4. Step 4: Simplify right side
    85,508.44x = 5,638,427,182.73
  5. Step 5: Solve for x
    x = 5,638,427,182.73/85,508.44
  6. Step 6: Final answer
    x = 65,940.01

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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.