Home / 70,932.82-97,887.96-39,102.86

Finding the Fourth Proportional to 70,932.82, 97,887.96 and 39,102.86

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Solution

The fourth proportional to 70,932.82, 97,887.96 and 39,102.86 is: 53,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,932.82 : 97,887.96 = 39,102.86 : x
  2. Step 2: Convert to fraction form
    70,932.82/97,887.96 = 39,102.86/x
  3. Step 3: Cross multiply
    70,932.82x = 97,887.96 × 39,102.86
  4. Step 4: Simplify right side
    70,932.82x = 3,827,698,510.61
  5. Step 5: Solve for x
    x = 3,827,698,510.61/70,932.82
  6. Step 6: Final answer
    x = 53,962.31

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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.