Home / 104,458.45-144,152.66-56,711.80

Finding the Fourth Proportional to 104,458.45, 144,152.66 and 56,711.80

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Solution

The fourth proportional to 104,458.45, 144,152.66 and 56,711.80 is: 78,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,458.45 : 144,152.66 = 56,711.80 : x
  2. Step 2: Convert to fraction form
    104,458.45/144,152.66 = 56,711.80/x
  3. Step 3: Cross multiply
    104,458.45x = 144,152.66 × 56,711.80
  4. Step 4: Simplify right side
    104,458.45x = 8,175,156,823.39
  5. Step 5: Solve for x
    x = 8,175,156,823.39/104,458.45
  6. Step 6: Final answer
    x = 78,262.28

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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.