Home / 57,153.74-78,881.15-34,495.96

Finding the Fourth Proportional to 57,153.74, 78,881.15 and 34,495.96

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Solution

The fourth proportional to 57,153.74, 78,881.15 and 34,495.96 is: 47,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.74 : 78,881.15 = 34,495.96 : x
  2. Step 2: Convert to fraction form
    57,153.74/78,881.15 = 34,495.96/x
  3. Step 3: Cross multiply
    57,153.74x = 78,881.15 × 34,495.96
  4. Step 4: Simplify right side
    57,153.74x = 2,721,080,995.15
  5. Step 5: Solve for x
    x = 2,721,080,995.15/57,153.74
  6. Step 6: Final answer
    x = 47,609.85

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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.