Home / 74,835.63-103,290.93-43,023.06

Finding the Fourth Proportional to 74,835.63, 103,290.93 and 43,023.06

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Solution

The fourth proportional to 74,835.63, 103,290.93 and 43,023.06 is: 59,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,835.63 : 103,290.93 = 43,023.06 : x
  2. Step 2: Convert to fraction form
    74,835.63/103,290.93 = 43,023.06/x
  3. Step 3: Cross multiply
    74,835.63x = 103,290.93 × 43,023.06
  4. Step 4: Simplify right side
    74,835.63x = 4,443,891,878.85
  5. Step 5: Solve for x
    x = 4,443,891,878.85/74,835.63
  6. Step 6: Final answer
    x = 59,382.03

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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.