Home / 73,682.20-101,681.44-40,148.20

Finding the Fourth Proportional to 73,682.20, 101,681.44 and 40,148.20

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Solution

The fourth proportional to 73,682.20, 101,681.44 and 40,148.20 is: 55,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,682.20 : 101,681.44 = 40,148.20 : x
  2. Step 2: Convert to fraction form
    73,682.20/101,681.44 = 40,148.20/x
  3. Step 3: Cross multiply
    73,682.20x = 101,681.44 × 40,148.20
  4. Step 4: Simplify right side
    73,682.20x = 4,082,326,789.41
  5. Step 5: Solve for x
    x = 4,082,326,789.41/73,682.20
  6. Step 6: Final answer
    x = 55,404.52

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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.