Home / 56,085.53-83,799.86-54,123.38

Finding the Fourth Proportional to 56,085.53, 83,799.86 and 54,123.38

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Solution

The fourth proportional to 56,085.53, 83,799.86 and 54,123.38 is: 80,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.53 : 83,799.86 = 54,123.38 : x
  2. Step 2: Convert to fraction form
    56,085.53/83,799.86 = 54,123.38/x
  3. Step 3: Cross multiply
    56,085.53x = 83,799.86 × 54,123.38
  4. Step 4: Simplify right side
    56,085.53x = 4,535,531,705.05
  5. Step 5: Solve for x
    x = 4,535,531,705.05/56,085.53
  6. Step 6: Final answer
    x = 80,868.13

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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.