Home / 66,817.09-92,185.89-45,559.45

Finding the Fourth Proportional to 66,817.09, 92,185.89 and 45,559.45

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Solution

The fourth proportional to 66,817.09, 92,185.89 and 45,559.45 is: 62,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,817.09 : 92,185.89 = 45,559.45 : x
  2. Step 2: Convert to fraction form
    66,817.09/92,185.89 = 45,559.45/x
  3. Step 3: Cross multiply
    66,817.09x = 92,185.89 × 45,559.45
  4. Step 4: Simplify right side
    66,817.09x = 4,199,938,446.16
  5. Step 5: Solve for x
    x = 4,199,938,446.16/66,817.09
  6. Step 6: Final answer
    x = 62,857.25

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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.