Home / 59,139.64-81,607.80-33,639.22

Finding the Fourth Proportional to 59,139.64, 81,607.80 and 33,639.22

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Solution

The fourth proportional to 59,139.64, 81,607.80 and 33,639.22 is: 46,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,139.64 : 81,607.80 = 33,639.22 : x
  2. Step 2: Convert to fraction form
    59,139.64/81,607.80 = 33,639.22/x
  3. Step 3: Cross multiply
    59,139.64x = 81,607.80 × 33,639.22
  4. Step 4: Simplify right side
    59,139.64x = 2,745,222,737.92
  5. Step 5: Solve for x
    x = 2,745,222,737.92/59,139.64
  6. Step 6: Final answer
    x = 46,419.33

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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.