Home / 67,126.50-92,637.25-40,259.21

Finding the Fourth Proportional to 67,126.50, 92,637.25 and 40,259.21

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Solution

The fourth proportional to 67,126.50, 92,637.25 and 40,259.21 is: 55,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,126.50 : 92,637.25 = 40,259.21 : x
  2. Step 2: Convert to fraction form
    67,126.50/92,637.25 = 40,259.21/x
  3. Step 3: Cross multiply
    67,126.50x = 92,637.25 × 40,259.21
  4. Step 4: Simplify right side
    67,126.50x = 3,729,501,937.74
  5. Step 5: Solve for x
    x = 3,729,501,937.74/67,126.50
  6. Step 6: Final answer
    x = 55,559.31

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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.