Home / 56,053.48-77,354.68-30,559.88

Finding the Fourth Proportional to 56,053.48, 77,354.68 and 30,559.88

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Solution

The fourth proportional to 56,053.48, 77,354.68 and 30,559.88 is: 42,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.48 : 77,354.68 = 30,559.88 : x
  2. Step 2: Convert to fraction form
    56,053.48/77,354.68 = 30,559.88/x
  3. Step 3: Cross multiply
    56,053.48x = 77,354.68 × 30,559.88
  4. Step 4: Simplify right side
    56,053.48x = 2,363,949,738.24
  5. Step 5: Solve for x
    x = 2,363,949,738.24/56,053.48
  6. Step 6: Final answer
    x = 42,173.11

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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.