Home / 74,920.50-103,393.26-43,089.36

Finding the Fourth Proportional to 74,920.50, 103,393.26 and 43,089.36

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Solution

The fourth proportional to 74,920.50, 103,393.26 and 43,089.36 is: 59,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.50 : 103,393.26 = 43,089.36 : x
  2. Step 2: Convert to fraction form
    74,920.50/103,393.26 = 43,089.36/x
  3. Step 3: Cross multiply
    74,920.50x = 103,393.26 × 43,089.36
  4. Step 4: Simplify right side
    74,920.50x = 4,455,149,401.71
  5. Step 5: Solve for x
    x = 4,455,149,401.71/74,920.50
  6. Step 6: Final answer
    x = 59,465.02

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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.