Home / 97,071.28-133,958.34-54,630.04

Finding the Fourth Proportional to 97,071.28, 133,958.34 and 54,630.04

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Solution

The fourth proportional to 97,071.28, 133,958.34 and 54,630.04 is: 75,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,071.28 : 133,958.34 = 54,630.04 : x
  2. Step 2: Convert to fraction form
    97,071.28/133,958.34 = 54,630.04/x
  3. Step 3: Cross multiply
    97,071.28x = 133,958.34 × 54,630.04
  4. Step 4: Simplify right side
    97,071.28x = 7,318,149,472.53
  5. Step 5: Solve for x
    x = 7,318,149,472.53/97,071.28
  6. Step 6: Final answer
    x = 75,389.44

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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.