Home / 58,461.87-80,679.20-33,309.75

Finding the Fourth Proportional to 58,461.87, 80,679.20 and 33,309.75

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Solution

The fourth proportional to 58,461.87, 80,679.20 and 33,309.75 is: 45,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,461.87 : 80,679.20 = 33,309.75 : x
  2. Step 2: Convert to fraction form
    58,461.87/80,679.20 = 33,309.75/x
  3. Step 3: Cross multiply
    58,461.87x = 80,679.20 × 33,309.75
  4. Step 4: Simplify right side
    58,461.87x = 2,687,403,815.65
  5. Step 5: Solve for x
    x = 2,687,403,815.65/58,461.87
  6. Step 6: Final answer
    x = 45,968.49

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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.