Home / 104,085.41-156,017.54-54,115.49

Finding the Fourth Proportional to 104,085.41, 156,017.54 and 54,115.49

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Solution

The fourth proportional to 104,085.41, 156,017.54 and 54,115.49 is: 81,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,085.41 : 156,017.54 = 54,115.49 : x
  2. Step 2: Convert to fraction form
    104,085.41/156,017.54 = 54,115.49/x
  3. Step 3: Cross multiply
    104,085.41x = 156,017.54 × 54,115.49
  4. Step 4: Simplify right side
    104,085.41x = 8,442,966,151.03
  5. Step 5: Solve for x
    x = 8,442,966,151.03/104,085.41
  6. Step 6: Final answer
    x = 81,115.75

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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.