Home / 55,989.64-77,265.69-30,839.14

Finding the Fourth Proportional to 55,989.64, 77,265.69 and 30,839.14

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Solution

The fourth proportional to 55,989.64, 77,265.69 and 30,839.14 is: 42,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.64 : 77,265.69 = 30,839.14 : x
  2. Step 2: Convert to fraction form
    55,989.64/77,265.69 = 30,839.14/x
  3. Step 3: Cross multiply
    55,989.64x = 77,265.69 × 30,839.14
  4. Step 4: Simplify right side
    55,989.64x = 2,382,807,431.11
  5. Step 5: Solve for x
    x = 2,382,807,431.11/55,989.64
  6. Step 6: Final answer
    x = 42,558.01

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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.