Home / 66,848.64-92,250-39,975.87

Finding the Fourth Proportional to 66,848.64, 92,250 and 39,975.87

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Solution

The fourth proportional to 66,848.64, 92,250 and 39,975.87 is: 55,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,848.64 : 92,250 = 39,975.87 : x
  2. Step 2: Convert to fraction form
    66,848.64/92,250 = 39,975.87/x
  3. Step 3: Cross multiply
    66,848.64x = 92,250 × 39,975.87
  4. Step 4: Simplify right side
    66,848.64x = 3,687,774,007.50
  5. Step 5: Solve for x
    x = 3,687,774,007.50/66,848.64
  6. Step 6: Final answer
    x = 55,166.03

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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.