Home / 76,390.74-114,592.24-29,028.54

Finding the Fourth Proportional to 76,390.74, 114,592.24 and 29,028.54

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Solution

The fourth proportional to 76,390.74, 114,592.24 and 29,028.54 is: 43,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,390.74 : 114,592.24 = 29,028.54 : x
  2. Step 2: Convert to fraction form
    76,390.74/114,592.24 = 29,028.54/x
  3. Step 3: Cross multiply
    76,390.74x = 114,592.24 × 29,028.54
  4. Step 4: Simplify right side
    76,390.74x = 3,326,445,422.53
  5. Step 5: Solve for x
    x = 3,326,445,422.53/76,390.74
  6. Step 6: Final answer
    x = 43,545.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.