Home / 77,308.65-115,979.51-23,999.46

Finding the Fourth Proportional to 77,308.65, 115,979.51 and 23,999.46

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Solution

The fourth proportional to 77,308.65, 115,979.51 and 23,999.46 is: 36,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,308.65 : 115,979.51 = 23,999.46 : x
  2. Step 2: Convert to fraction form
    77,308.65/115,979.51 = 23,999.46/x
  3. Step 3: Cross multiply
    77,308.65x = 115,979.51 × 23,999.46
  4. Step 4: Simplify right side
    77,308.65x = 2,783,445,491.07
  5. Step 5: Solve for x
    x = 2,783,445,491.07/77,308.65
  6. Step 6: Final answer
    x = 36,004.32

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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.