Home / 111,877.35-167,889.85-52,729.93

Finding the Fourth Proportional to 111,877.35, 167,889.85 and 52,729.93

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Solution

The fourth proportional to 111,877.35, 167,889.85 and 52,729.93 is: 79,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,877.35 : 167,889.85 = 52,729.93 : x
  2. Step 2: Convert to fraction form
    111,877.35/167,889.85 = 52,729.93/x
  3. Step 3: Cross multiply
    111,877.35x = 167,889.85 × 52,729.93
  4. Step 4: Simplify right side
    111,877.35x = 8,852,820,116.25
  5. Step 5: Solve for x
    x = 8,852,820,116.25/111,877.35
  6. Step 6: Final answer
    x = 79,129.69

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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.