Home / 85,669.44-128,488.68-23,325.36

Finding the Fourth Proportional to 85,669.44, 128,488.68 and 23,325.36

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Solution

The fourth proportional to 85,669.44, 128,488.68 and 23,325.36 is: 34,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,669.44 : 128,488.68 = 23,325.36 : x
  2. Step 2: Convert to fraction form
    85,669.44/128,488.68 = 23,325.36/x
  3. Step 3: Cross multiply
    85,669.44x = 128,488.68 × 23,325.36
  4. Step 4: Simplify right side
    85,669.44x = 2,997,044,716.92
  5. Step 5: Solve for x
    x = 2,997,044,716.92/85,669.44
  6. Step 6: Final answer
    x = 34,983.83

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1.5x scale

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.