Home / 85,847.14-128,806.14-46,357.75

Finding the Fourth Proportional to 85,847.14, 128,806.14 and 46,357.75

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Solution

The fourth proportional to 85,847.14, 128,806.14 and 46,357.75 is: 69,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847.14 : 128,806.14 = 46,357.75 : x
  2. Step 2: Convert to fraction form
    85,847.14/128,806.14 = 46,357.75/x
  3. Step 3: Cross multiply
    85,847.14x = 128,806.14 × 46,357.75
  4. Step 4: Simplify right side
    85,847.14x = 5,971,162,836.59
  5. Step 5: Solve for x
    x = 5,971,162,836.59/85,847.14
  6. Step 6: Final answer
    x = 69,555.76

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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.