Home / 76,023.67-104,916.33-42,031.54

Finding the Fourth Proportional to 76,023.67, 104,916.33 and 42,031.54

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Solution

The fourth proportional to 76,023.67, 104,916.33 and 42,031.54 is: 58,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,023.67 : 104,916.33 = 42,031.54 : x
  2. Step 2: Convert to fraction form
    76,023.67/104,916.33 = 42,031.54/x
  3. Step 3: Cross multiply
    76,023.67x = 104,916.33 × 42,031.54
  4. Step 4: Simplify right side
    76,023.67x = 4,409,794,921.05
  5. Step 5: Solve for x
    x = 4,409,794,921.05/76,023.67
  6. Step 6: Final answer
    x = 58,005.55

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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.