Home / 92,420.34-127,572.75-54,694.50

Finding the Fourth Proportional to 92,420.34, 127,572.75 and 54,694.50

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Solution

The fourth proportional to 92,420.34, 127,572.75 and 54,694.50 is: 75,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,420.34 : 127,572.75 = 54,694.50 : x
  2. Step 2: Convert to fraction form
    92,420.34/127,572.75 = 54,694.50/x
  3. Step 3: Cross multiply
    92,420.34x = 127,572.75 × 54,694.50
  4. Step 4: Simplify right side
    92,420.34x = 6,977,527,774.88
  5. Step 5: Solve for x
    x = 6,977,527,774.88/92,420.34
  6. Step 6: Final answer
    x = 75,497.75

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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.