Home / 53,804.10-74,205.44-47,758.75

Finding the Fourth Proportional to 53,804.10, 74,205.44 and 47,758.75

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Solution

The fourth proportional to 53,804.10, 74,205.44 and 47,758.75 is: 65,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,804.10 : 74,205.44 = 47,758.75 : x
  2. Step 2: Convert to fraction form
    53,804.10/74,205.44 = 47,758.75/x
  3. Step 3: Cross multiply
    53,804.10x = 74,205.44 × 47,758.75
  4. Step 4: Simplify right side
    53,804.10x = 3,543,958,818.81
  5. Step 5: Solve for x
    x = 3,543,958,818.81/53,804.10
  6. Step 6: Final answer
    x = 65,867.83

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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.