Home / 111,869.46-167,865.71-52,703.60

Finding the Fourth Proportional to 111,869.46, 167,865.71 and 52,703.60

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Solution

The fourth proportional to 111,869.46, 167,865.71 and 52,703.60 is: 79,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,869.46 : 167,865.71 = 52,703.60 : x
  2. Step 2: Convert to fraction form
    111,869.46/167,865.71 = 52,703.60/x
  3. Step 3: Cross multiply
    111,869.46x = 167,865.71 × 52,703.60
  4. Step 4: Simplify right side
    111,869.46x = 8,847,126,130.71
  5. Step 5: Solve for x
    x = 8,847,126,130.71/111,869.46
  6. Step 6: Final answer
    x = 79,084.37

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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.