Home / 66,921.84-92,352.60-37,115.76

Finding the Fourth Proportional to 66,921.84, 92,352.60 and 37,115.76

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Solution

The fourth proportional to 66,921.84, 92,352.60 and 37,115.76 is: 51,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,921.84 : 92,352.60 = 37,115.76 : x
  2. Step 2: Convert to fraction form
    66,921.84/92,352.60 = 37,115.76/x
  3. Step 3: Cross multiply
    66,921.84x = 92,352.60 × 37,115.76
  4. Step 4: Simplify right side
    66,921.84x = 3,427,736,936.98
  5. Step 5: Solve for x
    x = 3,427,736,936.98/66,921.84
  6. Step 6: Final answer
    x = 51,220.00

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1.5x scale

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.