Home / 104,659.40-156,989.10-60,372.65

Finding the Fourth Proportional to 104,659.40, 156,989.10 and 60,372.65

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Solution

The fourth proportional to 104,659.40, 156,989.10 and 60,372.65 is: 90,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,659.40 : 156,989.10 = 60,372.65 : x
  2. Step 2: Convert to fraction form
    104,659.40/156,989.10 = 60,372.65/x
  3. Step 3: Cross multiply
    104,659.40x = 156,989.10 × 60,372.65
  4. Step 4: Simplify right side
    104,659.40x = 9,477,847,988.12
  5. Step 5: Solve for x
    x = 9,477,847,988.12/104,659.40
  6. Step 6: Final answer
    x = 90,558.98

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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.