Home / 77,072.81-106,374.01-44,817.40

Finding the Fourth Proportional to 77,072.81, 106,374.01 and 44,817.40

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Solution

The fourth proportional to 77,072.81, 106,374.01 and 44,817.40 is: 61,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,072.81 : 106,374.01 = 44,817.40 : x
  2. Step 2: Convert to fraction form
    77,072.81/106,374.01 = 44,817.40/x
  3. Step 3: Cross multiply
    77,072.81x = 106,374.01 × 44,817.40
  4. Step 4: Simplify right side
    77,072.81x = 4,767,406,790.58
  5. Step 5: Solve for x
    x = 4,767,406,790.58/77,072.81
  6. Step 6: Final answer
    x = 61,855.89

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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.