Home / 73,008.61-100,732.85-42,777.69

Finding the Fourth Proportional to 73,008.61, 100,732.85 and 42,777.69

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Solution

The fourth proportional to 73,008.61, 100,732.85 and 42,777.69 is: 59,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,008.61 : 100,732.85 = 42,777.69 : x
  2. Step 2: Convert to fraction form
    73,008.61/100,732.85 = 42,777.69/x
  3. Step 3: Cross multiply
    73,008.61x = 100,732.85 × 42,777.69
  4. Step 4: Simplify right side
    73,008.61x = 4,309,118,416.23
  5. Step 5: Solve for x
    x = 4,309,118,416.23/73,008.61
  6. Step 6: Final answer
    x = 59,022.06

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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.