Home / 84,353.07-116,407.35-48,542.43

Finding the Fourth Proportional to 84,353.07, 116,407.35 and 48,542.43

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Solution

The fourth proportional to 84,353.07, 116,407.35 and 48,542.43 is: 66,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,353.07 : 116,407.35 = 48,542.43 : x
  2. Step 2: Convert to fraction form
    84,353.07/116,407.35 = 48,542.43/x
  3. Step 3: Cross multiply
    84,353.07x = 116,407.35 × 48,542.43
  4. Step 4: Simplify right side
    84,353.07x = 5,650,695,638.86
  5. Step 5: Solve for x
    x = 5,650,695,638.86/84,353.07
  6. Step 6: Final answer
    x = 66,988.62

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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.