Home / 55,005.46-75,905.24-31,133.45

Finding the Fourth Proportional to 55,005.46, 75,905.24 and 31,133.45

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Solution

The fourth proportional to 55,005.46, 75,905.24 and 31,133.45 is: 42,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.46 : 75,905.24 = 31,133.45 : x
  2. Step 2: Convert to fraction form
    55,005.46/75,905.24 = 31,133.45/x
  3. Step 3: Cross multiply
    55,005.46x = 75,905.24 × 31,133.45
  4. Step 4: Simplify right side
    55,005.46x = 2,363,192,028.37
  5. Step 5: Solve for x
    x = 2,363,192,028.37/55,005.46
  6. Step 6: Final answer
    x = 42,962.86

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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.