Home / 75,529.10-113,330.10-53,294.60

Finding the Fourth Proportional to 75,529.10, 113,330.10 and 53,294.60

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Solution

The fourth proportional to 75,529.10, 113,330.10 and 53,294.60 is: 79,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,529.10 : 113,330.10 = 53,294.60 : x
  2. Step 2: Convert to fraction form
    75,529.10/113,330.10 = 53,294.60/x
  3. Step 3: Cross multiply
    75,529.10x = 113,330.10 × 53,294.60
  4. Step 4: Simplify right side
    75,529.10x = 6,039,882,347.46
  5. Step 5: Solve for x
    x = 6,039,882,347.46/75,529.10
  6. Step 6: Final answer
    x = 79,967.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.