Home / 102,779.85-154,047.06-52,883.85

Finding the Fourth Proportional to 102,779.85, 154,047.06 and 52,883.85

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Solution

The fourth proportional to 102,779.85, 154,047.06 and 52,883.85 is: 79,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779.85 : 154,047.06 = 52,883.85 : x
  2. Step 2: Convert to fraction form
    102,779.85/154,047.06 = 52,883.85/x
  3. Step 3: Cross multiply
    102,779.85x = 154,047.06 × 52,883.85
  4. Step 4: Simplify right side
    102,779.85x = 8,146,601,613.98
  5. Step 5: Solve for x
    x = 8,146,601,613.98/102,779.85
  6. Step 6: Final answer
    x = 79,262.63

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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.