Home / 103,586.46-142,961.99-58,266.35

Finding the Fourth Proportional to 103,586.46, 142,961.99 and 58,266.35

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Solution

The fourth proportional to 103,586.46, 142,961.99 and 58,266.35 is: 80,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586.46 : 142,961.99 = 58,266.35 : x
  2. Step 2: Convert to fraction form
    103,586.46/142,961.99 = 58,266.35/x
  3. Step 3: Cross multiply
    103,586.46x = 142,961.99 × 58,266.35
  4. Step 4: Simplify right side
    103,586.46x = 8,329,872,339.89
  5. Step 5: Solve for x
    x = 8,329,872,339.89/103,586.46
  6. Step 6: Final answer
    x = 80,414.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.