Home / 76,301.13-105,381.78-52,060.50

Finding the Fourth Proportional to 76,301.13, 105,381.78 and 52,060.50

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Solution

The fourth proportional to 76,301.13, 105,381.78 and 52,060.50 is: 71,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,301.13 : 105,381.78 = 52,060.50 : x
  2. Step 2: Convert to fraction form
    76,301.13/105,381.78 = 52,060.50/x
  3. Step 3: Cross multiply
    76,301.13x = 105,381.78 × 52,060.50
  4. Step 4: Simplify right side
    76,301.13x = 5,486,228,157.69
  5. Step 5: Solve for x
    x = 5,486,228,157.69/76,301.13
  6. Step 6: Final answer
    x = 71,902.32

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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.