Home / 55,490.64-76,571.08-32,830.48

Finding the Fourth Proportional to 55,490.64, 76,571.08 and 32,830.48

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Solution

The fourth proportional to 55,490.64, 76,571.08 and 32,830.48 is: 45,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.64 : 76,571.08 = 32,830.48 : x
  2. Step 2: Convert to fraction form
    55,490.64/76,571.08 = 32,830.48/x
  3. Step 3: Cross multiply
    55,490.64x = 76,571.08 × 32,830.48
  4. Step 4: Simplify right side
    55,490.64x = 2,513,865,310.52
  5. Step 5: Solve for x
    x = 2,513,865,310.52/55,490.64
  6. Step 6: Final answer
    x = 45,302.51

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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.