Home / 55,895.09-77,133.62-30,744.59

Finding the Fourth Proportional to 55,895.09, 77,133.62 and 30,744.59

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Solution

The fourth proportional to 55,895.09, 77,133.62 and 30,744.59 is: 42,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.09 : 77,133.62 = 30,744.59 : x
  2. Step 2: Convert to fraction form
    55,895.09/77,133.62 = 30,744.59/x
  3. Step 3: Cross multiply
    55,895.09x = 77,133.62 × 30,744.59
  4. Step 4: Simplify right side
    55,895.09x = 2,371,441,368.39
  5. Step 5: Solve for x
    x = 2,371,441,368.39/55,895.09
  6. Step 6: Final answer
    x = 42,426.65

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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.