Home / 104,545.89-144,273.20-56,798.91

Finding the Fourth Proportional to 104,545.89, 144,273.20 and 56,798.91

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Solution

The fourth proportional to 104,545.89, 144,273.20 and 56,798.91 is: 78,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,545.89 : 144,273.20 = 56,798.91 : x
  2. Step 2: Convert to fraction form
    104,545.89/144,273.20 = 56,798.91/x
  3. Step 3: Cross multiply
    104,545.89x = 144,273.20 × 56,798.91
  4. Step 4: Simplify right side
    104,545.89x = 8,194,560,218.22
  5. Step 5: Solve for x
    x = 8,194,560,218.22/104,545.89
  6. Step 6: Final answer
    x = 78,382.42

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1.5x scale

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.