Home / 93,640.20-140,460.30-51,649.80

Finding the Fourth Proportional to 93,640.20, 140,460.30 and 51,649.80

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Solution

The fourth proportional to 93,640.20, 140,460.30 and 51,649.80 is: 77,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,640.20 : 140,460.30 = 51,649.80 : x
  2. Step 2: Convert to fraction form
    93,640.20/140,460.30 = 51,649.80/x
  3. Step 3: Cross multiply
    93,640.20x = 140,460.30 × 51,649.80
  4. Step 4: Simplify right side
    93,640.20x = 7,254,746,402.94
  5. Step 5: Solve for x
    x = 7,254,746,402.94/93,640.20
  6. Step 6: Final answer
    x = 77,474.70

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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.