Home / 105,566.92-145,682.40-57,823.30

Finding the Fourth Proportional to 105,566.92, 145,682.40 and 57,823.30

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Solution

The fourth proportional to 105,566.92, 145,682.40 and 57,823.30 is: 79,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,566.92 : 145,682.40 = 57,823.30 : x
  2. Step 2: Convert to fraction form
    105,566.92/145,682.40 = 57,823.30/x
  3. Step 3: Cross multiply
    105,566.92x = 145,682.40 × 57,823.30
  4. Step 4: Simplify right side
    105,566.92x = 8,423,837,119.92
  5. Step 5: Solve for x
    x = 8,423,837,119.92/105,566.92
  6. Step 6: Final answer
    x = 79,796.18

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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.