Home / 75,861.76-104,641.92-54,607.36

Finding the Fourth Proportional to 75,861.76, 104,641.92 and 54,607.36

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Solution

The fourth proportional to 75,861.76, 104,641.92 and 54,607.36 is: 75,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.76 : 104,641.92 = 54,607.36 : x
  2. Step 2: Convert to fraction form
    75,861.76/104,641.92 = 54,607.36/x
  3. Step 3: Cross multiply
    75,861.76x = 104,641.92 × 54,607.36
  4. Step 4: Simplify right side
    75,861.76x = 5,714,218,996.53
  5. Step 5: Solve for x
    x = 5,714,218,996.53/75,861.76
  6. Step 6: Final answer
    x = 75,324.10

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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.