Home / 56,486.43-77,952.11-30,995.33

Finding the Fourth Proportional to 56,486.43, 77,952.11 and 30,995.33

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Solution

The fourth proportional to 56,486.43, 77,952.11 and 30,995.33 is: 42,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,486.43 : 77,952.11 = 30,995.33 : x
  2. Step 2: Convert to fraction form
    56,486.43/77,952.11 = 30,995.33/x
  3. Step 3: Cross multiply
    56,486.43x = 77,952.11 × 30,995.33
  4. Step 4: Simplify right side
    56,486.43x = 2,416,150,828.91
  5. Step 5: Solve for x
    x = 2,416,150,828.91/56,486.43
  6. Step 6: Final answer
    x = 42,774.00

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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.