Home / 118,123.40-177,213-47,050.12

Finding the Fourth Proportional to 118,123.40, 177,213 and 47,050.12

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Solution

The fourth proportional to 118,123.40, 177,213 and 47,050.12 is: 70,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,123.40 : 177,213 = 47,050.12 : x
  2. Step 2: Convert to fraction form
    118,123.40/177,213 = 47,050.12/x
  3. Step 3: Cross multiply
    118,123.40x = 177,213 × 47,050.12
  4. Step 4: Simplify right side
    118,123.40x = 8,337,892,915.56
  5. Step 5: Solve for x
    x = 8,337,892,915.56/118,123.40
  6. Step 6: Final answer
    x = 70,586.29

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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.