Home / 57,359.40-86,055.48-17,917.08

Finding the Fourth Proportional to 57,359.40, 86,055.48 and 17,917.08

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Solution

The fourth proportional to 57,359.40, 86,055.48 and 17,917.08 is: 26,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,359.40 : 86,055.48 = 17,917.08 : x
  2. Step 2: Convert to fraction form
    57,359.40/86,055.48 = 17,917.08/x
  3. Step 3: Cross multiply
    57,359.40x = 86,055.48 × 17,917.08
  4. Step 4: Simplify right side
    57,359.40x = 1,541,862,919.60
  5. Step 5: Solve for x
    x = 1,541,862,919.60/57,359.40
  6. Step 6: Final answer
    x = 26,880.74

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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.