Home / 55,783.08-83,660.04-26,195.40

Finding the Fourth Proportional to 55,783.08, 83,660.04 and 26,195.40

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Solution

The fourth proportional to 55,783.08, 83,660.04 and 26,195.40 is: 39,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,783.08 : 83,660.04 = 26,195.40 : x
  2. Step 2: Convert to fraction form
    55,783.08/83,660.04 = 26,195.40/x
  3. Step 3: Cross multiply
    55,783.08x = 83,660.04 × 26,195.40
  4. Step 4: Simplify right side
    55,783.08x = 2,191,508,211.82
  5. Step 5: Solve for x
    x = 2,191,508,211.82/55,783.08
  6. Step 6: Final answer
    x = 39,286.25

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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.