Home / 66,782.12-92,155.25-36,567.80

Finding the Fourth Proportional to 66,782.12, 92,155.25 and 36,567.80

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Solution

The fourth proportional to 66,782.12, 92,155.25 and 36,567.80 is: 50,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,782.12 : 92,155.25 = 36,567.80 : x
  2. Step 2: Convert to fraction form
    66,782.12/92,155.25 = 36,567.80/x
  3. Step 3: Cross multiply
    66,782.12x = 92,155.25 × 36,567.80
  4. Step 4: Simplify right side
    66,782.12x = 3,369,914,750.95
  5. Step 5: Solve for x
    x = 3,369,914,750.95/66,782.12
  6. Step 6: Final answer
    x = 50,461.33

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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.