Home / 53,990.68-74,508.72-30,116.84

Finding the Fourth Proportional to 53,990.68, 74,508.72 and 30,116.84

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Solution

The fourth proportional to 53,990.68, 74,508.72 and 30,116.84 is: 41,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990.68 : 74,508.72 = 30,116.84 : x
  2. Step 2: Convert to fraction form
    53,990.68/74,508.72 = 30,116.84/x
  3. Step 3: Cross multiply
    53,990.68x = 74,508.72 × 30,116.84
  4. Step 4: Simplify right side
    53,990.68x = 2,243,967,198.84
  5. Step 5: Solve for x
    x = 2,243,967,198.84/53,990.68
  6. Step 6: Final answer
    x = 41,562.12

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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.