Home / 111,031.30-166,546.95-48,701.80

Finding the Fourth Proportional to 111,031.30, 166,546.95 and 48,701.80

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Solution

The fourth proportional to 111,031.30, 166,546.95 and 48,701.80 is: 73,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,031.30 : 166,546.95 = 48,701.80 : x
  2. Step 2: Convert to fraction form
    111,031.30/166,546.95 = 48,701.80/x
  3. Step 3: Cross multiply
    111,031.30x = 166,546.95 × 48,701.80
  4. Step 4: Simplify right side
    111,031.30x = 8,111,136,249.51
  5. Step 5: Solve for x
    x = 8,111,136,249.51/111,031.30
  6. Step 6: Final answer
    x = 73,052.70

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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.