Home / 123,971.70-185,853.06-53,798.16

Finding the Fourth Proportional to 123,971.70, 185,853.06 and 53,798.16

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Solution

The fourth proportional to 123,971.70, 185,853.06 and 53,798.16 is: 80,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971.70 : 185,853.06 = 53,798.16 : x
  2. Step 2: Convert to fraction form
    123,971.70/185,853.06 = 53,798.16/x
  3. Step 3: Cross multiply
    123,971.70x = 185,853.06 × 53,798.16
  4. Step 4: Simplify right side
    123,971.70x = 9,998,552,658.37
  5. Step 5: Solve for x
    x = 9,998,552,658.37/123,971.70
  6. Step 6: Final answer
    x = 80,651.90

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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.