Home / 83,683.33-115,449.60-53,460.81

Finding the Fourth Proportional to 83,683.33, 115,449.60 and 53,460.81

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Solution

The fourth proportional to 83,683.33, 115,449.60 and 53,460.81 is: 73,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,683.33 : 115,449.60 = 53,460.81 : x
  2. Step 2: Convert to fraction form
    83,683.33/115,449.60 = 53,460.81/x
  3. Step 3: Cross multiply
    83,683.33x = 115,449.60 × 53,460.81
  4. Step 4: Simplify right side
    83,683.33x = 6,172,029,330.65
  5. Step 5: Solve for x
    x = 6,172,029,330.65/83,683.33
  6. Step 6: Final answer
    x = 73,754.59

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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.