Home / 104,269.76-156,426.51-45,113.84

Finding the Fourth Proportional to 104,269.76, 156,426.51 and 45,113.84

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Solution

The fourth proportional to 104,269.76, 156,426.51 and 45,113.84 is: 67,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,269.76 : 156,426.51 = 45,113.84 : x
  2. Step 2: Convert to fraction form
    104,269.76/156,426.51 = 45,113.84/x
  3. Step 3: Cross multiply
    104,269.76x = 156,426.51 × 45,113.84
  4. Step 4: Simplify right side
    104,269.76x = 7,057,000,543.90
  5. Step 5: Solve for x
    x = 7,057,000,543.90/104,269.76
  6. Step 6: Final answer
    x = 67,680.22

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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.