Home / 74,828.03-103,259.48-40,835.66

Finding the Fourth Proportional to 74,828.03, 103,259.48 and 40,835.66

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Solution

The fourth proportional to 74,828.03, 103,259.48 and 40,835.66 is: 56,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,828.03 : 103,259.48 = 40,835.66 : x
  2. Step 2: Convert to fraction form
    74,828.03/103,259.48 = 40,835.66/x
  3. Step 3: Cross multiply
    74,828.03x = 103,259.48 × 40,835.66
  4. Step 4: Simplify right side
    74,828.03x = 4,216,668,296.58
  5. Step 5: Solve for x
    x = 4,216,668,296.58/74,828.03
  6. Step 6: Final answer
    x = 56,351.46

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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.