Home / 67,289.23-92,854.69-40,415.77

Finding the Fourth Proportional to 67,289.23, 92,854.69 and 40,415.77

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Solution

The fourth proportional to 67,289.23, 92,854.69 and 40,415.77 is: 55,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.23 : 92,854.69 = 40,415.77 : x
  2. Step 2: Convert to fraction form
    67,289.23/92,854.69 = 40,415.77/x
  3. Step 3: Cross multiply
    67,289.23x = 92,854.69 × 40,415.77
  4. Step 4: Simplify right side
    67,289.23x = 3,752,793,794.46
  5. Step 5: Solve for x
    x = 3,752,793,794.46/67,289.23
  6. Step 6: Final answer
    x = 55,771.09

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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.