Home / 55,664.12-76,788.24-35,211.72

Finding the Fourth Proportional to 55,664.12, 76,788.24 and 35,211.72

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Solution

The fourth proportional to 55,664.12, 76,788.24 and 35,211.72 is: 48,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.12 : 76,788.24 = 35,211.72 : x
  2. Step 2: Convert to fraction form
    55,664.12/76,788.24 = 35,211.72/x
  3. Step 3: Cross multiply
    55,664.12x = 76,788.24 × 35,211.72
  4. Step 4: Simplify right side
    55,664.12x = 2,703,846,006.17
  5. Step 5: Solve for x
    x = 2,703,846,006.17/55,664.12
  6. Step 6: Final answer
    x = 48,574.31

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1.5x scale

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.