Home / 103,744.98-143,166.63-58,423.50

Finding the Fourth Proportional to 103,744.98, 143,166.63 and 58,423.50

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Solution

The fourth proportional to 103,744.98, 143,166.63 and 58,423.50 is: 80,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,744.98 : 143,166.63 = 58,423.50 : x
  2. Step 2: Convert to fraction form
    103,744.98/143,166.63 = 58,423.50/x
  3. Step 3: Cross multiply
    103,744.98x = 143,166.63 × 58,423.50
  4. Step 4: Simplify right side
    103,744.98x = 8,364,295,607.81
  5. Step 5: Solve for x
    x = 8,364,295,607.81/103,744.98
  6. Step 6: Final answer
    x = 80,623.62

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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.