Home / 82,344.68-113,636.55-48,353.57

Finding the Fourth Proportional to 82,344.68, 113,636.55 and 48,353.57

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Solution

The fourth proportional to 82,344.68, 113,636.55 and 48,353.57 is: 66,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344.68 : 113,636.55 = 48,353.57 : x
  2. Step 2: Convert to fraction form
    82,344.68/113,636.55 = 48,353.57/x
  3. Step 3: Cross multiply
    82,344.68x = 113,636.55 × 48,353.57
  4. Step 4: Simplify right side
    82,344.68x = 5,494,733,159.07
  5. Step 5: Solve for x
    x = 5,494,733,159.07/82,344.68
  6. Step 6: Final answer
    x = 66,728.45

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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.