Home / 105,748.88-145,933.68-58,002.62

Finding the Fourth Proportional to 105,748.88, 145,933.68 and 58,002.62

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Solution

The fourth proportional to 105,748.88, 145,933.68 and 58,002.62 is: 80,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,748.88 : 145,933.68 = 58,002.62 : x
  2. Step 2: Convert to fraction form
    105,748.88/145,933.68 = 58,002.62/x
  3. Step 3: Cross multiply
    105,748.88x = 145,933.68 × 58,002.62
  4. Step 4: Simplify right side
    105,748.88x = 8,464,535,786.24
  5. Step 5: Solve for x
    x = 8,464,535,786.24/105,748.88
  6. Step 6: Final answer
    x = 80,043.74

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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.