Home / 104,855.35-144,702.03-57,108.67

Finding the Fourth Proportional to 104,855.35, 144,702.03 and 57,108.67

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Solution

The fourth proportional to 104,855.35, 144,702.03 and 57,108.67 is: 78,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,855.35 : 144,702.03 = 57,108.67 : x
  2. Step 2: Convert to fraction form
    104,855.35/144,702.03 = 57,108.67/x
  3. Step 3: Cross multiply
    104,855.35x = 144,702.03 × 57,108.67
  4. Step 4: Simplify right side
    104,855.35x = 8,263,740,479.60
  5. Step 5: Solve for x
    x = 8,263,740,479.60/104,855.35
  6. Step 6: Final answer
    x = 78,810.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.