Home / 106,435.08-146,879.46-58,688.82

Finding the Fourth Proportional to 106,435.08, 146,879.46 and 58,688.82

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Solution

The fourth proportional to 106,435.08, 146,879.46 and 58,688.82 is: 80,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.08 : 146,879.46 = 58,688.82 : x
  2. Step 2: Convert to fraction form
    106,435.08/146,879.46 = 58,688.82/x
  3. Step 3: Cross multiply
    106,435.08x = 146,879.46 × 58,688.82
  4. Step 4: Simplify right side
    106,435.08x = 8,620,182,189.64
  5. Step 5: Solve for x
    x = 8,620,182,189.64/106,435.08
  6. Step 6: Final answer
    x = 80,990.05

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1.5x scale

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.