Home / 85,077.99-127,617.02-35,103.18

Finding the Fourth Proportional to 85,077.99, 127,617.02 and 35,103.18

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Solution

The fourth proportional to 85,077.99, 127,617.02 and 35,103.18 is: 52,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.99 : 127,617.02 = 35,103.18 : x
  2. Step 2: Convert to fraction form
    85,077.99/127,617.02 = 35,103.18/x
  3. Step 3: Cross multiply
    85,077.99x = 127,617.02 × 35,103.18
  4. Step 4: Simplify right side
    85,077.99x = 4,479,763,048.61
  5. Step 5: Solve for x
    x = 4,479,763,048.61/85,077.99
  6. Step 6: Final answer
    x = 52,654.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.