Home / 100,852.70-139,115.30-62,096.76

Finding the Fourth Proportional to 100,852.70, 139,115.30 and 62,096.76

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Solution

The fourth proportional to 100,852.70, 139,115.30 and 62,096.76 is: 85,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,852.70 : 139,115.30 = 62,096.76 : x
  2. Step 2: Convert to fraction form
    100,852.70/139,115.30 = 62,096.76/x
  3. Step 3: Cross multiply
    100,852.70x = 139,115.30 × 62,096.76
  4. Step 4: Simplify right side
    100,852.70x = 8,638,609,085.94
  5. Step 5: Solve for x
    x = 8,638,609,085.94/100,852.70
  6. Step 6: Final answer
    x = 85,655.71

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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.