Home / 99,376.37-137,139.94-59,082.26

Finding the Fourth Proportional to 99,376.37, 137,139.94 and 59,082.26

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Solution

The fourth proportional to 99,376.37, 137,139.94 and 59,082.26 is: 81,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,376.37 : 137,139.94 = 59,082.26 : x
  2. Step 2: Convert to fraction form
    99,376.37/137,139.94 = 59,082.26/x
  3. Step 3: Cross multiply
    99,376.37x = 137,139.94 × 59,082.26
  4. Step 4: Simplify right side
    99,376.37x = 8,102,537,418.69
  5. Step 5: Solve for x
    x = 8,102,537,418.69/99,376.37
  6. Step 6: Final answer
    x = 81,533.84

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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.