Home / 85,555.98-118,063.83-47,313.03

Finding the Fourth Proportional to 85,555.98, 118,063.83 and 47,313.03

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Solution

The fourth proportional to 85,555.98, 118,063.83 and 47,313.03 is: 65,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.98 : 118,063.83 = 47,313.03 : x
  2. Step 2: Convert to fraction form
    85,555.98/118,063.83 = 47,313.03/x
  3. Step 3: Cross multiply
    85,555.98x = 118,063.83 × 47,313.03
  4. Step 4: Simplify right side
    85,555.98x = 5,585,957,530.70
  5. Step 5: Solve for x
    x = 5,585,957,530.70/85,555.98
  6. Step 6: Final answer
    x = 65,290.09

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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.