Home / 105,944.68-158,916.95-39,401.56

Finding the Fourth Proportional to 105,944.68, 158,916.95 and 39,401.56

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Solution

The fourth proportional to 105,944.68, 158,916.95 and 39,401.56 is: 59,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,944.68 : 158,916.95 = 39,401.56 : x
  2. Step 2: Convert to fraction form
    105,944.68/158,916.95 = 39,401.56/x
  3. Step 3: Cross multiply
    105,944.68x = 158,916.95 × 39,401.56
  4. Step 4: Simplify right side
    105,944.68x = 6,261,575,740.44
  5. Step 5: Solve for x
    x = 6,261,575,740.44/105,944.68
  6. Step 6: Final answer
    x = 59,102.31

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1.5x scale

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.