Home / 76,577.31-105,661.19-44,740.05

Finding the Fourth Proportional to 76,577.31, 105,661.19 and 44,740.05

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Solution

The fourth proportional to 76,577.31, 105,661.19 and 44,740.05 is: 61,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,577.31 : 105,661.19 = 44,740.05 : x
  2. Step 2: Convert to fraction form
    76,577.31/105,661.19 = 44,740.05/x
  3. Step 3: Cross multiply
    76,577.31x = 105,661.19 × 44,740.05
  4. Step 4: Simplify right side
    76,577.31x = 4,727,286,699.96
  5. Step 5: Solve for x
    x = 4,727,286,699.96/76,577.31
  6. Step 6: Final answer
    x = 61,732.21

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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.