Home / 92,311.49-127,432.35-54,065.72

Finding the Fourth Proportional to 92,311.49, 127,432.35 and 54,065.72

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Solution

The fourth proportional to 92,311.49, 127,432.35 and 54,065.72 is: 74,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,311.49 : 127,432.35 = 54,065.72 : x
  2. Step 2: Convert to fraction form
    92,311.49/127,432.35 = 54,065.72/x
  3. Step 3: Cross multiply
    92,311.49x = 127,432.35 × 54,065.72
  4. Step 4: Simplify right side
    92,311.49x = 6,889,722,072.62
  5. Step 5: Solve for x
    x = 6,889,722,072.62/92,311.49
  6. Step 6: Final answer
    x = 74,635.58

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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.