Home / 83,948.81-115,814.00-55,605.29

Finding the Fourth Proportional to 83,948.81, 115,814.00 and 55,605.29

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Solution

The fourth proportional to 83,948.81, 115,814.00 and 55,605.29 is: 76,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,948.81 : 115,814.00 = 55,605.29 : x
  2. Step 2: Convert to fraction form
    83,948.81/115,814.00 = 55,605.29/x
  3. Step 3: Cross multiply
    83,948.81x = 115,814.00 × 55,605.29
  4. Step 4: Simplify right side
    83,948.81x = 6,439,870,616.00
  5. Step 5: Solve for x
    x = 6,439,870,616.00/83,948.81
  6. Step 6: Final answer
    x = 76,711.88

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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.