Home / 55,956.63-83,934.95-18,506.65

Finding the Fourth Proportional to 55,956.63, 83,934.95 and 18,506.65

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Solution

The fourth proportional to 55,956.63, 83,934.95 and 18,506.65 is: 27,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.63 : 83,934.95 = 18,506.65 : x
  2. Step 2: Convert to fraction form
    55,956.63/83,934.95 = 18,506.65/x
  3. Step 3: Cross multiply
    55,956.63x = 83,934.95 × 18,506.65
  4. Step 4: Simplify right side
    55,956.63x = 1,553,354,742.42
  5. Step 5: Solve for x
    x = 1,553,354,742.42/55,956.63
  6. Step 6: Final answer
    x = 27,759.98

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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.