Home / 56,396.05-77,929.19-53,663.11

Finding the Fourth Proportional to 56,396.05, 77,929.19 and 53,663.11

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Solution

The fourth proportional to 56,396.05, 77,929.19 and 53,663.11 is: 74,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,396.05 : 77,929.19 = 53,663.11 : x
  2. Step 2: Convert to fraction form
    56,396.05/77,929.19 = 53,663.11/x
  3. Step 3: Cross multiply
    56,396.05x = 77,929.19 × 53,663.11
  4. Step 4: Simplify right side
    56,396.05x = 4,181,922,433.28
  5. Step 5: Solve for x
    x = 4,181,922,433.28/56,396.05
  6. Step 6: Final answer
    x = 74,152.76

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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.