Home / 55,056.05-75,977.42-29,905.55

Finding the Fourth Proportional to 55,056.05, 75,977.42 and 29,905.55

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Solution

The fourth proportional to 55,056.05, 75,977.42 and 29,905.55 is: 41,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.05 : 75,977.42 = 29,905.55 : x
  2. Step 2: Convert to fraction form
    55,056.05/75,977.42 = 29,905.55/x
  3. Step 3: Cross multiply
    55,056.05x = 75,977.42 × 29,905.55
  4. Step 4: Simplify right side
    55,056.05x = 2,272,146,532.68
  5. Step 5: Solve for x
    x = 2,272,146,532.68/55,056.05
  6. Step 6: Final answer
    x = 41,269.70

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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.