Home / 76,531.56-105,611.76-44,263.80

Finding the Fourth Proportional to 76,531.56, 105,611.76 and 44,263.80

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Solution

The fourth proportional to 76,531.56, 105,611.76 and 44,263.80 is: 61,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,531.56 : 105,611.76 = 44,263.80 : x
  2. Step 2: Convert to fraction form
    76,531.56/105,611.76 = 44,263.80/x
  3. Step 3: Cross multiply
    76,531.56x = 105,611.76 × 44,263.80
  4. Step 4: Simplify right side
    76,531.56x = 4,674,777,822.29
  5. Step 5: Solve for x
    x = 4,674,777,822.29/76,531.56
  6. Step 6: Final answer
    x = 61,083.01

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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.