Home / 100,954.16-139,307.19-59,554.68

Finding the Fourth Proportional to 100,954.16, 139,307.19 and 59,554.68

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Solution

The fourth proportional to 100,954.16, 139,307.19 and 59,554.68 is: 82,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,954.16 : 139,307.19 = 59,554.68 : x
  2. Step 2: Convert to fraction form
    100,954.16/139,307.19 = 59,554.68/x
  3. Step 3: Cross multiply
    100,954.16x = 139,307.19 × 59,554.68
  4. Step 4: Simplify right side
    100,954.16x = 8,296,395,122.15
  5. Step 5: Solve for x
    x = 8,296,395,122.15/100,954.16
  6. Step 6: Final answer
    x = 82,179.83

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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.