Home / 99,713.08-137,627.67-57,296.22

Finding the Fourth Proportional to 99,713.08, 137,627.67 and 57,296.22

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Solution

The fourth proportional to 99,713.08, 137,627.67 and 57,296.22 is: 79,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.08 : 137,627.67 = 57,296.22 : x
  2. Step 2: Convert to fraction form
    99,713.08/137,627.67 = 57,296.22/x
  3. Step 3: Cross multiply
    99,713.08x = 137,627.67 × 57,296.22
  4. Step 4: Simplify right side
    99,713.08x = 7,885,545,258.41
  5. Step 5: Solve for x
    x = 7,885,545,258.41/99,713.08
  6. Step 6: Final answer
    x = 79,082.36

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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.