Home / 92,009.60-137,807.04-54,995.84

Finding the Fourth Proportional to 92,009.60, 137,807.04 and 54,995.84

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Solution

The fourth proportional to 92,009.60, 137,807.04 and 54,995.84 is: 82,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,009.60 : 137,807.04 = 54,995.84 : x
  2. Step 2: Convert to fraction form
    92,009.60/137,807.04 = 54,995.84/x
  3. Step 3: Cross multiply
    92,009.60x = 137,807.04 × 54,995.84
  4. Step 4: Simplify right side
    92,009.60x = 7,578,813,922.71
  5. Step 5: Solve for x
    x = 7,578,813,922.71/92,009.60
  6. Step 6: Final answer
    x = 82,369.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.