Home / 55,935.80-77,190.39-30,441.27

Finding the Fourth Proportional to 55,935.80, 77,190.39 and 30,441.27

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Solution

The fourth proportional to 55,935.80, 77,190.39 and 30,441.27 is: 42,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,935.80 : 77,190.39 = 30,441.27 : x
  2. Step 2: Convert to fraction form
    55,935.80/77,190.39 = 30,441.27/x
  3. Step 3: Cross multiply
    55,935.80x = 77,190.39 × 30,441.27
  4. Step 4: Simplify right side
    55,935.80x = 2,349,773,503.40
  5. Step 5: Solve for x
    x = 2,349,773,503.40/55,935.80
  6. Step 6: Final answer
    x = 42,008.40

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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.