Home / 55,305.36-82,554.28-47,458.30

Finding the Fourth Proportional to 55,305.36, 82,554.28 and 47,458.30

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Solution

The fourth proportional to 55,305.36, 82,554.28 and 47,458.30 is: 70,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.36 : 82,554.28 = 47,458.30 : x
  2. Step 2: Convert to fraction form
    55,305.36/82,554.28 = 47,458.30/x
  3. Step 3: Cross multiply
    55,305.36x = 82,554.28 × 47,458.30
  4. Step 4: Simplify right side
    55,305.36x = 3,917,885,786.52
  5. Step 5: Solve for x
    x = 3,917,885,786.52/55,305.36
  6. Step 6: Final answer
    x = 70,840.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.