Home / 105,790.74-146,000.46-58,053.42

Finding the Fourth Proportional to 105,790.74, 146,000.46 and 58,053.42

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Solution

The fourth proportional to 105,790.74, 146,000.46 and 58,053.42 is: 80,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,790.74 : 146,000.46 = 58,053.42 : x
  2. Step 2: Convert to fraction form
    105,790.74/146,000.46 = 58,053.42/x
  3. Step 3: Cross multiply
    105,790.74x = 146,000.46 × 58,053.42
  4. Step 4: Simplify right side
    105,790.74x = 8,475,826,024.57
  5. Step 5: Solve for x
    x = 8,475,826,024.57/105,790.74
  6. Step 6: Final answer
    x = 80,118.79

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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.