Home / 55,766.36-76,962.72-31,888.28

Finding the Fourth Proportional to 55,766.36, 76,962.72 and 31,888.28

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Solution

The fourth proportional to 55,766.36, 76,962.72 and 31,888.28 is: 44,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766.36 : 76,962.72 = 31,888.28 : x
  2. Step 2: Convert to fraction form
    55,766.36/76,962.72 = 31,888.28/x
  3. Step 3: Cross multiply
    55,766.36x = 76,962.72 × 31,888.28
  4. Step 4: Simplify right side
    55,766.36x = 2,454,208,764.92
  5. Step 5: Solve for x
    x = 2,454,208,764.92/55,766.36
  6. Step 6: Final answer
    x = 44,008.77

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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.