Home / 49,343.40-74,015.10-46,621.80

Finding the Fourth Proportional to 49,343.40, 74,015.10 and 46,621.80

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Solution

The fourth proportional to 49,343.40, 74,015.10 and 46,621.80 is: 69,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,343.40 : 74,015.10 = 46,621.80 : x
  2. Step 2: Convert to fraction form
    49,343.40/74,015.10 = 46,621.80/x
  3. Step 3: Cross multiply
    49,343.40x = 74,015.10 × 46,621.80
  4. Step 4: Simplify right side
    49,343.40x = 3,450,717,189.18
  5. Step 5: Solve for x
    x = 3,450,717,189.18/49,343.40
  6. Step 6: Final answer
    x = 69,932.70

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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.