Home / 105,822.48-146,030.21-58,074.88

Finding the Fourth Proportional to 105,822.48, 146,030.21 and 58,074.88

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Solution

The fourth proportional to 105,822.48, 146,030.21 and 58,074.88 is: 80,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,822.48 : 146,030.21 = 58,074.88 : x
  2. Step 2: Convert to fraction form
    105,822.48/146,030.21 = 58,074.88/x
  3. Step 3: Cross multiply
    105,822.48x = 146,030.21 × 58,074.88
  4. Step 4: Simplify right side
    105,822.48x = 8,480,686,922.12
  5. Step 5: Solve for x
    x = 8,480,686,922.12/105,822.48
  6. Step 6: Final answer
    x = 80,140.69

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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.