Home / 89,675.32-123,722.32-57,865.36

Finding the Fourth Proportional to 89,675.32, 123,722.32 and 57,865.36

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Solution

The fourth proportional to 89,675.32, 123,722.32 and 57,865.36 is: 79,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.32 : 123,722.32 = 57,865.36 : x
  2. Step 2: Convert to fraction form
    89,675.32/123,722.32 = 57,865.36/x
  3. Step 3: Cross multiply
    89,675.32x = 123,722.32 × 57,865.36
  4. Step 4: Simplify right side
    89,675.32x = 7,159,236,586.84
  5. Step 5: Solve for x
    x = 7,159,236,586.84/89,675.32
  6. Step 6: Final answer
    x = 79,835.08

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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.