Home / 93,111.46-128,496.50-50,672.68

Finding the Fourth Proportional to 93,111.46, 128,496.50 and 50,672.68

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Solution

The fourth proportional to 93,111.46, 128,496.50 and 50,672.68 is: 69,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,111.46 : 128,496.50 = 50,672.68 : x
  2. Step 2: Convert to fraction form
    93,111.46/128,496.50 = 50,672.68/x
  3. Step 3: Cross multiply
    93,111.46x = 128,496.50 × 50,672.68
  4. Step 4: Simplify right side
    93,111.46x = 6,511,262,025.62
  5. Step 5: Solve for x
    x = 6,511,262,025.62/93,111.46
  6. Step 6: Final answer
    x = 69,929.76

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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.