Home / 77,666.19-116,312.43-44,285.06

Finding the Fourth Proportional to 77,666.19, 116,312.43 and 44,285.06

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Solution

The fourth proportional to 77,666.19, 116,312.43 and 44,285.06 is: 66,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,666.19 : 116,312.43 = 44,285.06 : x
  2. Step 2: Convert to fraction form
    77,666.19/116,312.43 = 44,285.06/x
  3. Step 3: Cross multiply
    77,666.19x = 116,312.43 × 44,285.06
  4. Step 4: Simplify right side
    77,666.19x = 5,150,902,359.73
  5. Step 5: Solve for x
    x = 5,150,902,359.73/77,666.19
  6. Step 6: Final answer
    x = 66,321.04

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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.