Home / 55,288.14-82,810.64-45,691.69

Finding the Fourth Proportional to 55,288.14, 82,810.64 and 45,691.69

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Solution

The fourth proportional to 55,288.14, 82,810.64 and 45,691.69 is: 68,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.14 : 82,810.64 = 45,691.69 : x
  2. Step 2: Convert to fraction form
    55,288.14/82,810.64 = 45,691.69/x
  3. Step 3: Cross multiply
    55,288.14x = 82,810.64 × 45,691.69
  4. Step 4: Simplify right side
    55,288.14x = 3,783,758,091.58
  5. Step 5: Solve for x
    x = 3,783,758,091.58/55,288.14
  6. Step 6: Final answer
    x = 68,437.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.