Home / 61,725.18-85,180.86-33,430.87

Finding the Fourth Proportional to 61,725.18, 85,180.86 and 33,430.87

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Solution

The fourth proportional to 61,725.18, 85,180.86 and 33,430.87 is: 46,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.18 : 85,180.86 = 33,430.87 : x
  2. Step 2: Convert to fraction form
    61,725.18/85,180.86 = 33,430.87/x
  3. Step 3: Cross multiply
    61,725.18x = 85,180.86 × 33,430.87
  4. Step 4: Simplify right side
    61,725.18x = 2,847,670,089.99
  5. Step 5: Solve for x
    x = 2,847,670,089.99/61,725.18
  6. Step 6: Final answer
    x = 46,134.66

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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.