Home / 56,690.99-78,207.38-36,554.33

Finding the Fourth Proportional to 56,690.99, 78,207.38 and 36,554.33

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Solution

The fourth proportional to 56,690.99, 78,207.38 and 36,554.33 is: 50,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,690.99 : 78,207.38 = 36,554.33 : x
  2. Step 2: Convert to fraction form
    56,690.99/78,207.38 = 36,554.33/x
  3. Step 3: Cross multiply
    56,690.99x = 78,207.38 × 36,554.33
  4. Step 4: Simplify right side
    56,690.99x = 2,858,818,663.86
  5. Step 5: Solve for x
    x = 2,858,818,663.86/56,690.99
  6. Step 6: Final answer
    x = 50,428.10

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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.