Home / 76,137.90-105,056.37-44,317.05

Finding the Fourth Proportional to 76,137.90, 105,056.37 and 44,317.05

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Solution

The fourth proportional to 76,137.90, 105,056.37 and 44,317.05 is: 61,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,137.90 : 105,056.37 = 44,317.05 : x
  2. Step 2: Convert to fraction form
    76,137.90/105,056.37 = 44,317.05/x
  3. Step 3: Cross multiply
    76,137.90x = 105,056.37 × 44,317.05
  4. Step 4: Simplify right side
    76,137.90x = 4,655,788,402.11
  5. Step 5: Solve for x
    x = 4,655,788,402.11/76,137.90
  6. Step 6: Final answer
    x = 61,149.42

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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.