Home / 74,429.82-102,714.96-42,608.94

Finding the Fourth Proportional to 74,429.82, 102,714.96 and 42,608.94

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Solution

The fourth proportional to 74,429.82, 102,714.96 and 42,608.94 is: 58,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.82 : 102,714.96 = 42,608.94 : x
  2. Step 2: Convert to fraction form
    74,429.82/102,714.96 = 42,608.94/x
  3. Step 3: Cross multiply
    74,429.82x = 102,714.96 × 42,608.94
  4. Step 4: Simplify right side
    74,429.82x = 4,376,575,567.74
  5. Step 5: Solve for x
    x = 4,376,575,567.74/74,429.82
  6. Step 6: Final answer
    x = 58,801.37

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1.5x scale

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.