Home / 61,981.04-85,514.84-35,119.28

Finding the Fourth Proportional to 61,981.04, 85,514.84 and 35,119.28

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Solution

The fourth proportional to 61,981.04, 85,514.84 and 35,119.28 is: 48,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,981.04 : 85,514.84 = 35,119.28 : x
  2. Step 2: Convert to fraction form
    61,981.04/85,514.84 = 35,119.28/x
  3. Step 3: Cross multiply
    61,981.04x = 85,514.84 × 35,119.28
  4. Step 4: Simplify right side
    61,981.04x = 3,003,219,610.12
  5. Step 5: Solve for x
    x = 3,003,219,610.12/61,981.04
  6. Step 6: Final answer
    x = 48,453.84

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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.