Home / 74,575.50-102,918.66-42,746.46

Finding the Fourth Proportional to 74,575.50, 102,918.66 and 42,746.46

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Solution

The fourth proportional to 74,575.50, 102,918.66 and 42,746.46 is: 58,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.50 : 102,918.66 = 42,746.46 : x
  2. Step 2: Convert to fraction form
    74,575.50/102,918.66 = 42,746.46/x
  3. Step 3: Cross multiply
    74,575.50x = 102,918.66 × 42,746.46
  4. Step 4: Simplify right side
    74,575.50x = 4,399,408,382.94
  5. Step 5: Solve for x
    x = 4,399,408,382.94/74,575.50
  6. Step 6: Final answer
    x = 58,992.68

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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.