Home / 49,547.58-74,321.08-12,107.85

Finding the Fourth Proportional to 49,547.58, 74,321.08 and 12,107.85

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Solution

The fourth proportional to 49,547.58, 74,321.08 and 12,107.85 is: 18,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,547.58 : 74,321.08 = 12,107.85 : x
  2. Step 2: Convert to fraction form
    49,547.58/74,321.08 = 12,107.85/x
  3. Step 3: Cross multiply
    49,547.58x = 74,321.08 × 12,107.85
  4. Step 4: Simplify right side
    49,547.58x = 899,868,488.48
  5. Step 5: Solve for x
    x = 899,868,488.48/49,547.58
  6. Step 6: Final answer
    x = 18,161.70

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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.