Home / 45,043.48-67,448.58-31,046.68

Finding the Fourth Proportional to 45,043.48, 67,448.58 and 31,046.68

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Solution

The fourth proportional to 45,043.48, 67,448.58 and 31,046.68 is: 46,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.48 : 67,448.58 = 31,046.68 : x
  2. Step 2: Convert to fraction form
    45,043.48/67,448.58 = 31,046.68/x
  3. Step 3: Cross multiply
    45,043.48x = 67,448.58 × 31,046.68
  4. Step 4: Simplify right side
    45,043.48x = 2,094,054,479.71
  5. Step 5: Solve for x
    x = 2,094,054,479.71/45,043.48
  6. Step 6: Final answer
    x = 46,489.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.