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Finding the Fourth Proportional to 71,077.56, 98,063.43 and 46,890.54

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Solution

The fourth proportional to 71,077.56, 98,063.43 and 46,890.54 is: 64,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077.56 : 98,063.43 = 46,890.54 : x
  2. Step 2: Convert to fraction form
    71,077.56/98,063.43 = 46,890.54/x
  3. Step 3: Cross multiply
    71,077.56x = 98,063.43 × 46,890.54
  4. Step 4: Simplify right side
    71,077.56x = 4,598,247,186.95
  5. Step 5: Solve for x
    x = 4,598,247,186.95/71,077.56
  6. Step 6: Final answer
    x = 64,693.37

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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.