Home / 66,079.56-91,265.48-43,519.40

Finding the Fourth Proportional to 66,079.56, 91,265.48 and 43,519.40

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Solution

The fourth proportional to 66,079.56, 91,265.48 and 43,519.40 is: 60,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,079.56 : 91,265.48 = 43,519.40 : x
  2. Step 2: Convert to fraction form
    66,079.56/91,265.48 = 43,519.40/x
  3. Step 3: Cross multiply
    66,079.56x = 91,265.48 × 43,519.40
  4. Step 4: Simplify right side
    66,079.56x = 3,971,818,930.31
  5. Step 5: Solve for x
    x = 3,971,818,930.31/66,079.56
  6. Step 6: Final answer
    x = 60,106.62

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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.