Home / 76,254.48-105,229.68-42,262.26

Finding the Fourth Proportional to 76,254.48, 105,229.68 and 42,262.26

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Solution

The fourth proportional to 76,254.48, 105,229.68 and 42,262.26 is: 58,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,254.48 : 105,229.68 = 42,262.26 : x
  2. Step 2: Convert to fraction form
    76,254.48/105,229.68 = 42,262.26/x
  3. Step 3: Cross multiply
    76,254.48x = 105,229.68 × 42,262.26
  4. Step 4: Simplify right side
    76,254.48x = 4,447,244,095.88
  5. Step 5: Solve for x
    x = 4,447,244,095.88/76,254.48
  6. Step 6: Final answer
    x = 58,321.09

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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.