Home / 72,436.42-108,494.07-55,673.02

Finding the Fourth Proportional to 72,436.42, 108,494.07 and 55,673.02

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Solution

The fourth proportional to 72,436.42, 108,494.07 and 55,673.02 is: 83,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,436.42 : 108,494.07 = 55,673.02 : x
  2. Step 2: Convert to fraction form
    72,436.42/108,494.07 = 55,673.02/x
  3. Step 3: Cross multiply
    72,436.42x = 108,494.07 × 55,673.02
  4. Step 4: Simplify right side
    72,436.42x = 6,040,192,528.99
  5. Step 5: Solve for x
    x = 6,040,192,528.99/72,436.42
  6. Step 6: Final answer
    x = 83,386.13

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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.