Home / 66,142.98-91,275.30-37,846.80

Finding the Fourth Proportional to 66,142.98, 91,275.30 and 37,846.80

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Solution

The fourth proportional to 66,142.98, 91,275.30 and 37,846.80 is: 52,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.98 : 91,275.30 = 37,846.80 : x
  2. Step 2: Convert to fraction form
    66,142.98/91,275.30 = 37,846.80/x
  3. Step 3: Cross multiply
    66,142.98x = 91,275.30 × 37,846.80
  4. Step 4: Simplify right side
    66,142.98x = 3,454,478,024.04
  5. Step 5: Solve for x
    x = 3,454,478,024.04/66,142.98
  6. Step 6: Final answer
    x = 52,227.43

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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.