Home / 115,025.46-158,698.22-69,688.95

Finding the Fourth Proportional to 115,025.46, 158,698.22 and 69,688.95

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Solution

The fourth proportional to 115,025.46, 158,698.22 and 69,688.95 is: 96,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,025.46 : 158,698.22 = 69,688.95 : x
  2. Step 2: Convert to fraction form
    115,025.46/158,698.22 = 69,688.95/x
  3. Step 3: Cross multiply
    115,025.46x = 158,698.22 × 69,688.95
  4. Step 4: Simplify right side
    115,025.46x = 11,059,511,970.22
  5. Step 5: Solve for x
    x = 11,059,511,970.22/115,025.46
  6. Step 6: Final answer
    x = 96,148.38

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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.