Home / 66,229.81-91,397.57-36,015.46

Finding the Fourth Proportional to 66,229.81, 91,397.57 and 36,015.46

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Solution

The fourth proportional to 66,229.81, 91,397.57 and 36,015.46 is: 49,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.81 : 91,397.57 = 36,015.46 : x
  2. Step 2: Convert to fraction form
    66,229.81/91,397.57 = 36,015.46/x
  3. Step 3: Cross multiply
    66,229.81x = 91,397.57 × 36,015.46
  4. Step 4: Simplify right side
    66,229.81x = 3,291,725,697.80
  5. Step 5: Solve for x
    x = 3,291,725,697.80/66,229.81
  6. Step 6: Final answer
    x = 49,701.57

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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.