Home / 55,368.66-76,382.18-36,240.02

Finding the Fourth Proportional to 55,368.66, 76,382.18 and 36,240.02

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Solution

The fourth proportional to 55,368.66, 76,382.18 and 36,240.02 is: 49,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.66 : 76,382.18 = 36,240.02 : x
  2. Step 2: Convert to fraction form
    55,368.66/76,382.18 = 36,240.02/x
  3. Step 3: Cross multiply
    55,368.66x = 76,382.18 × 36,240.02
  4. Step 4: Simplify right side
    55,368.66x = 2,768,091,730.84
  5. Step 5: Solve for x
    x = 2,768,091,730.84/55,368.66
  6. Step 6: Final answer
    x = 49,993.84

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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.