Home / 105,816.75-146,026.68-58,070.88

Finding the Fourth Proportional to 105,816.75, 146,026.68 and 58,070.88

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Solution

The fourth proportional to 105,816.75, 146,026.68 and 58,070.88 is: 80,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816.75 : 146,026.68 = 58,070.88 : x
  2. Step 2: Convert to fraction form
    105,816.75/146,026.68 = 58,070.88/x
  3. Step 3: Cross multiply
    105,816.75x = 146,026.68 × 58,070.88
  4. Step 4: Simplify right side
    105,816.75x = 8,479,897,811.08
  5. Step 5: Solve for x
    x = 8,479,897,811.08/105,816.75
  6. Step 6: Final answer
    x = 80,137.58

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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.