Home / 61,671.36-92,418.48-30,470.16

Finding the Fourth Proportional to 61,671.36, 92,418.48 and 30,470.16

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Solution

The fourth proportional to 61,671.36, 92,418.48 and 30,470.16 is: 45,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,671.36 : 92,418.48 = 30,470.16 : x
  2. Step 2: Convert to fraction form
    61,671.36/92,418.48 = 30,470.16/x
  3. Step 3: Cross multiply
    61,671.36x = 92,418.48 × 30,470.16
  4. Step 4: Simplify right side
    61,671.36x = 2,816,005,872.56
  5. Step 5: Solve for x
    x = 2,816,005,872.56/61,671.36
  6. Step 6: Final answer
    x = 45,661.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.