Home / 55,425.12-76,477.80-31,552.24

Finding the Fourth Proportional to 55,425.12, 76,477.80 and 31,552.24

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Solution

The fourth proportional to 55,425.12, 76,477.80 and 31,552.24 is: 43,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.12 : 76,477.80 = 31,552.24 : x
  2. Step 2: Convert to fraction form
    55,425.12/76,477.80 = 31,552.24/x
  3. Step 3: Cross multiply
    55,425.12x = 76,477.80 × 31,552.24
  4. Step 4: Simplify right side
    55,425.12x = 2,413,045,900.27
  5. Step 5: Solve for x
    x = 2,413,045,900.27/55,425.12
  6. Step 6: Final answer
    x = 43,537.04

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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.