Home / 67,282.07-92,848.75-40,423.88

Finding the Fourth Proportional to 67,282.07, 92,848.75 and 40,423.88

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Solution

The fourth proportional to 67,282.07, 92,848.75 and 40,423.88 is: 55,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,282.07 : 92,848.75 = 40,423.88 : x
  2. Step 2: Convert to fraction form
    67,282.07/92,848.75 = 40,423.88/x
  3. Step 3: Cross multiply
    67,282.07x = 92,848.75 × 40,423.88
  4. Step 4: Simplify right side
    67,282.07x = 3,753,306,859.21
  5. Step 5: Solve for x
    x = 3,753,306,859.21/67,282.07
  6. Step 6: Final answer
    x = 55,784.66

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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.