Home / 85,357.46-117,793.32-47,117.03

Finding the Fourth Proportional to 85,357.46, 117,793.32 and 47,117.03

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Solution

The fourth proportional to 85,357.46, 117,793.32 and 47,117.03 is: 65,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,357.46 : 117,793.32 = 47,117.03 : x
  2. Step 2: Convert to fraction form
    85,357.46/117,793.32 = 47,117.03/x
  3. Step 3: Cross multiply
    85,357.46x = 117,793.32 × 47,117.03
  4. Step 4: Simplify right side
    85,357.46x = 5,550,071,922.31
  5. Step 5: Solve for x
    x = 5,550,071,922.31/85,357.46
  6. Step 6: Final answer
    x = 65,021.52

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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.