Home / 77,666.19-116,312.44-44,285.05

Finding the Fourth Proportional to 77,666.19, 116,312.44 and 44,285.05

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Solution

The fourth proportional to 77,666.19, 116,312.44 and 44,285.05 is: 66,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,666.19 : 116,312.44 = 44,285.05 : x
  2. Step 2: Convert to fraction form
    77,666.19/116,312.44 = 44,285.05/x
  3. Step 3: Cross multiply
    77,666.19x = 116,312.44 × 44,285.05
  4. Step 4: Simplify right side
    77,666.19x = 5,150,901,819.53
  5. Step 5: Solve for x
    x = 5,150,901,819.53/77,666.19
  6. Step 6: Final answer
    x = 66,321.03

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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.