Home / 67,060.86-100,628.10-40,784.04

Finding the Fourth Proportional to 67,060.86, 100,628.10 and 40,784.04

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Solution

The fourth proportional to 67,060.86, 100,628.10 and 40,784.04 is: 61,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,060.86 : 100,628.10 = 40,784.04 : x
  2. Step 2: Convert to fraction form
    67,060.86/100,628.10 = 40,784.04/x
  3. Step 3: Cross multiply
    67,060.86x = 100,628.10 × 40,784.04
  4. Step 4: Simplify right side
    67,060.86x = 4,104,020,455.52
  5. Step 5: Solve for x
    x = 4,104,020,455.52/67,060.86
  6. Step 6: Final answer
    x = 61,198.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.