Home / 46,951.12-70,426.80-11,890.78

Finding the Fourth Proportional to 46,951.12, 70,426.80 and 11,890.78

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Solution

The fourth proportional to 46,951.12, 70,426.80 and 11,890.78 is: 17,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,951.12 : 70,426.80 = 11,890.78 : x
  2. Step 2: Convert to fraction form
    46,951.12/70,426.80 = 11,890.78/x
  3. Step 3: Cross multiply
    46,951.12x = 70,426.80 × 11,890.78
  4. Step 4: Simplify right side
    46,951.12x = 837,429,584.90
  5. Step 5: Solve for x
    x = 837,429,584.90/46,951.12
  6. Step 6: Final answer
    x = 17,836.20

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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.