Home / 77,046.08-106,324.32-43,057.28

Finding the Fourth Proportional to 77,046.08, 106,324.32 and 43,057.28

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Solution

The fourth proportional to 77,046.08, 106,324.32 and 43,057.28 is: 59,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,046.08 : 106,324.32 = 43,057.28 : x
  2. Step 2: Convert to fraction form
    77,046.08/106,324.32 = 43,057.28/x
  3. Step 3: Cross multiply
    77,046.08x = 106,324.32 × 43,057.28
  4. Step 4: Simplify right side
    77,046.08x = 4,578,036,017.05
  5. Step 5: Solve for x
    x = 4,578,036,017.05/77,046.08
  6. Step 6: Final answer
    x = 59,419.45

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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.