Home / 105,369.10-145,423.29-60,063.46

Finding the Fourth Proportional to 105,369.10, 145,423.29 and 60,063.46

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Solution

The fourth proportional to 105,369.10, 145,423.29 and 60,063.46 is: 82,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,369.10 : 145,423.29 = 60,063.46 : x
  2. Step 2: Convert to fraction form
    105,369.10/145,423.29 = 60,063.46/x
  3. Step 3: Cross multiply
    105,369.10x = 145,423.29 × 60,063.46
  4. Step 4: Simplify right side
    105,369.10x = 8,734,625,961.98
  5. Step 5: Solve for x
    x = 8,734,625,961.98/105,369.10
  6. Step 6: Final answer
    x = 82,895.52

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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.