Home / 67,077.04-92,560.90-38,784.56

Finding the Fourth Proportional to 67,077.04, 92,560.90 and 38,784.56

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Solution

The fourth proportional to 67,077.04, 92,560.90 and 38,784.56 is: 53,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,077.04 : 92,560.90 = 38,784.56 : x
  2. Step 2: Convert to fraction form
    67,077.04/92,560.90 = 38,784.56/x
  3. Step 3: Cross multiply
    67,077.04x = 92,560.90 × 38,784.56
  4. Step 4: Simplify right side
    67,077.04x = 3,589,933,779.70
  5. Step 5: Solve for x
    x = 3,589,933,779.70/67,077.04
  6. Step 6: Final answer
    x = 53,519.56

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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.