Home / 66,986.34-92,422.22-43,126.83

Finding the Fourth Proportional to 66,986.34, 92,422.22 and 43,126.83

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Solution

The fourth proportional to 66,986.34, 92,422.22 and 43,126.83 is: 59,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,986.34 : 92,422.22 = 43,126.83 : x
  2. Step 2: Convert to fraction form
    66,986.34/92,422.22 = 43,126.83/x
  3. Step 3: Cross multiply
    66,986.34x = 92,422.22 × 43,126.83
  4. Step 4: Simplify right side
    66,986.34x = 3,985,877,154.53
  5. Step 5: Solve for x
    x = 3,985,877,154.53/66,986.34
  6. Step 6: Final answer
    x = 59,502.83

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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.