Home / 104,543.28-156,834.30-49,139.28

Finding the Fourth Proportional to 104,543.28, 156,834.30 and 49,139.28

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Solution

The fourth proportional to 104,543.28, 156,834.30 and 49,139.28 is: 73,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.28 : 156,834.30 = 49,139.28 : x
  2. Step 2: Convert to fraction form
    104,543.28/156,834.30 = 49,139.28/x
  3. Step 3: Cross multiply
    104,543.28x = 156,834.30 × 49,139.28
  4. Step 4: Simplify right side
    104,543.28x = 7,706,724,581.30
  5. Step 5: Solve for x
    x = 7,706,724,581.30/104,543.28
  6. Step 6: Final answer
    x = 73,718.03

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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.