Home / 74,499.06-102,808.71-40,965.06

Finding the Fourth Proportional to 74,499.06, 102,808.71 and 40,965.06

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Solution

The fourth proportional to 74,499.06, 102,808.71 and 40,965.06 is: 56,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,499.06 : 102,808.71 = 40,965.06 : x
  2. Step 2: Convert to fraction form
    74,499.06/102,808.71 = 40,965.06/x
  3. Step 3: Cross multiply
    74,499.06x = 102,808.71 × 40,965.06
  4. Step 4: Simplify right side
    74,499.06x = 4,211,564,973.67
  5. Step 5: Solve for x
    x = 4,211,564,973.67/74,499.06
  6. Step 6: Final answer
    x = 56,531.79

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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.