Home / 51,708.78-71,302.28-47,181.69

Finding the Fourth Proportional to 51,708.78, 71,302.28 and 47,181.69

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Solution

The fourth proportional to 51,708.78, 71,302.28 and 47,181.69 is: 65,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,708.78 : 71,302.28 = 47,181.69 : x
  2. Step 2: Convert to fraction form
    51,708.78/71,302.28 = 47,181.69/x
  3. Step 3: Cross multiply
    51,708.78x = 71,302.28 × 47,181.69
  4. Step 4: Simplify right side
    51,708.78x = 3,364,161,835.34
  5. Step 5: Solve for x
    x = 3,364,161,835.34/51,708.78
  6. Step 6: Final answer
    x = 65,059.78

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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.