Home / 105,269.74-145,266.15-57,523.48

Finding the Fourth Proportional to 105,269.74, 145,266.15 and 57,523.48

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Solution

The fourth proportional to 105,269.74, 145,266.15 and 57,523.48 is: 79,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,269.74 : 145,266.15 = 57,523.48 : x
  2. Step 2: Convert to fraction form
    105,269.74/145,266.15 = 57,523.48/x
  3. Step 3: Cross multiply
    105,269.74x = 145,266.15 × 57,523.48
  4. Step 4: Simplify right side
    105,269.74x = 8,356,214,474.20
  5. Step 5: Solve for x
    x = 8,356,214,474.20/105,269.74
  6. Step 6: Final answer
    x = 79,379.07

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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.