Home / 64,268.80-96,345.60-57,270.40

Finding the Fourth Proportional to 64,268.80, 96,345.60 and 57,270.40

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Solution

The fourth proportional to 64,268.80, 96,345.60 and 57,270.40 is: 85,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.80 : 96,345.60 = 57,270.40 : x
  2. Step 2: Convert to fraction form
    64,268.80/96,345.60 = 57,270.40/x
  3. Step 3: Cross multiply
    64,268.80x = 96,345.60 × 57,270.40
  4. Step 4: Simplify right side
    64,268.80x = 5,517,751,050.24
  5. Step 5: Solve for x
    x = 5,517,751,050.24/64,268.80
  6. Step 6: Final answer
    x = 85,854.27

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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.