Home / 76,357.89-114,518.31-32,017.78

Finding the Fourth Proportional to 76,357.89, 114,518.31 and 32,017.78

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Solution

The fourth proportional to 76,357.89, 114,518.31 and 32,017.78 is: 48,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,357.89 : 114,518.31 = 32,017.78 : x
  2. Step 2: Convert to fraction form
    76,357.89/114,518.31 = 32,017.78/x
  3. Step 3: Cross multiply
    76,357.89x = 114,518.31 × 32,017.78
  4. Step 4: Simplify right side
    76,357.89x = 3,666,622,078.63
  5. Step 5: Solve for x
    x = 3,666,622,078.63/76,357.89
  6. Step 6: Final answer
    x = 48,018.90

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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.