Home / 76,181.58-105,143.40-44,369.37

Finding the Fourth Proportional to 76,181.58, 105,143.40 and 44,369.37

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Solution

The fourth proportional to 76,181.58, 105,143.40 and 44,369.37 is: 61,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.58 : 105,143.40 = 44,369.37 : x
  2. Step 2: Convert to fraction form
    76,181.58/105,143.40 = 44,369.37/x
  3. Step 3: Cross multiply
    76,181.58x = 105,143.40 × 44,369.37
  4. Step 4: Simplify right side
    76,181.58x = 4,665,146,417.66
  5. Step 5: Solve for x
    x = 4,665,146,417.66/76,181.58
  6. Step 6: Final answer
    x = 61,237.20

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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.