Home / 67,751.64-93,488.40-39,072.36

Finding the Fourth Proportional to 67,751.64, 93,488.40 and 39,072.36

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Solution

The fourth proportional to 67,751.64, 93,488.40 and 39,072.36 is: 53,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,751.64 : 93,488.40 = 39,072.36 : x
  2. Step 2: Convert to fraction form
    67,751.64/93,488.40 = 39,072.36/x
  3. Step 3: Cross multiply
    67,751.64x = 93,488.40 × 39,072.36
  4. Step 4: Simplify right side
    67,751.64x = 3,652,812,420.62
  5. Step 5: Solve for x
    x = 3,652,812,420.62/67,751.64
  6. Step 6: Final answer
    x = 53,914.75

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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.