Home / 76,698.44-114,900.14-47,029.72

Finding the Fourth Proportional to 76,698.44, 114,900.14 and 47,029.72

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Solution

The fourth proportional to 76,698.44, 114,900.14 and 47,029.72 is: 70,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,698.44 : 114,900.14 = 47,029.72 : x
  2. Step 2: Convert to fraction form
    76,698.44/114,900.14 = 47,029.72/x
  3. Step 3: Cross multiply
    76,698.44x = 114,900.14 × 47,029.72
  4. Step 4: Simplify right side
    76,698.44x = 5,403,721,412.16
  5. Step 5: Solve for x
    x = 5,403,721,412.16/76,698.44
  6. Step 6: Final answer
    x = 70,454.12

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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.