Home / 55,265.70-82,898.55-31,864.80

Finding the Fourth Proportional to 55,265.70, 82,898.55 and 31,864.80

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Solution

The fourth proportional to 55,265.70, 82,898.55 and 31,864.80 is: 47,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.70 : 82,898.55 = 31,864.80 : x
  2. Step 2: Convert to fraction form
    55,265.70/82,898.55 = 31,864.80/x
  3. Step 3: Cross multiply
    55,265.70x = 82,898.55 × 31,864.80
  4. Step 4: Simplify right side
    55,265.70x = 2,641,545,716.04
  5. Step 5: Solve for x
    x = 2,641,545,716.04/55,265.70
  6. Step 6: Final answer
    x = 47,797.20

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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.