Home / 104,002.95-155,879.10-47,765.46

Finding the Fourth Proportional to 104,002.95, 155,879.10 and 47,765.46

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Solution

The fourth proportional to 104,002.95, 155,879.10 and 47,765.46 is: 71,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,002.95 : 155,879.10 = 47,765.46 : x
  2. Step 2: Convert to fraction form
    104,002.95/155,879.10 = 47,765.46/x
  3. Step 3: Cross multiply
    104,002.95x = 155,879.10 × 47,765.46
  4. Step 4: Simplify right side
    104,002.95x = 7,445,636,915.89
  5. Step 5: Solve for x
    x = 7,445,636,915.89/104,002.95
  6. Step 6: Final answer
    x = 71,590.63

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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.