Home / 123,817.38-185,716.98-39,554.91

Finding the Fourth Proportional to 123,817.38, 185,716.98 and 39,554.91

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Solution

The fourth proportional to 123,817.38, 185,716.98 and 39,554.91 is: 59,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,817.38 : 185,716.98 = 39,554.91 : x
  2. Step 2: Convert to fraction form
    123,817.38/185,716.98 = 39,554.91/x
  3. Step 3: Cross multiply
    123,817.38x = 185,716.98 × 39,554.91
  4. Step 4: Simplify right side
    123,817.38x = 7,346,018,429.37
  5. Step 5: Solve for x
    x = 7,346,018,429.37/123,817.38
  6. Step 6: Final answer
    x = 59,329.46

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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.