Home / 66,476.28-91,706.70-42,591.48

Finding the Fourth Proportional to 66,476.28, 91,706.70 and 42,591.48

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Solution

The fourth proportional to 66,476.28, 91,706.70 and 42,591.48 is: 58,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,476.28 : 91,706.70 = 42,591.48 : x
  2. Step 2: Convert to fraction form
    66,476.28/91,706.70 = 42,591.48/x
  3. Step 3: Cross multiply
    66,476.28x = 91,706.70 × 42,591.48
  4. Step 4: Simplify right side
    66,476.28x = 3,905,924,078.92
  5. Step 5: Solve for x
    x = 3,905,924,078.92/66,476.28
  6. Step 6: Final answer
    x = 58,756.66

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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.