Home / 97,439.10-134,464.95-54,999.42

Finding the Fourth Proportional to 97,439.10, 134,464.95 and 54,999.42

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Solution

The fourth proportional to 97,439.10, 134,464.95 and 54,999.42 is: 75,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,439.10 : 134,464.95 = 54,999.42 : x
  2. Step 2: Convert to fraction form
    97,439.10/134,464.95 = 54,999.42/x
  3. Step 3: Cross multiply
    97,439.10x = 134,464.95 × 54,999.42
  4. Step 4: Simplify right side
    97,439.10x = 7,395,494,321.49
  5. Step 5: Solve for x
    x = 7,395,494,321.49/97,439.10
  6. Step 6: Final answer
    x = 75,898.63

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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.