Home / 104,784.18-144,605.43-57,040.71

Finding the Fourth Proportional to 104,784.18, 144,605.43 and 57,040.71

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Solution

The fourth proportional to 104,784.18, 144,605.43 and 57,040.71 is: 78,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.18 : 144,605.43 = 57,040.71 : x
  2. Step 2: Convert to fraction form
    104,784.18/144,605.43 = 57,040.71/x
  3. Step 3: Cross multiply
    104,784.18x = 144,605.43 × 57,040.71
  4. Step 4: Simplify right side
    104,784.18x = 8,248,396,397.06
  5. Step 5: Solve for x
    x = 8,248,396,397.06/104,784.18
  6. Step 6: Final answer
    x = 78,717.96

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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.