Home / 100,887.40-139,157.94-63,096.04

Finding the Fourth Proportional to 100,887.40, 139,157.94 and 63,096.04

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Solution

The fourth proportional to 100,887.40, 139,157.94 and 63,096.04 is: 87,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.40 : 139,157.94 = 63,096.04 : x
  2. Step 2: Convert to fraction form
    100,887.40/139,157.94 = 63,096.04/x
  3. Step 3: Cross multiply
    100,887.40x = 139,157.94 × 63,096.04
  4. Step 4: Simplify right side
    100,887.40x = 8,780,314,948.56
  5. Step 5: Solve for x
    x = 8,780,314,948.56/100,887.40
  6. Step 6: Final answer
    x = 87,030.84

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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.