Home / 76,768.42-115,168.35-32,395.18

Finding the Fourth Proportional to 76,768.42, 115,168.35 and 32,395.18

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Solution

The fourth proportional to 76,768.42, 115,168.35 and 32,395.18 is: 48,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,768.42 : 115,168.35 = 32,395.18 : x
  2. Step 2: Convert to fraction form
    76,768.42/115,168.35 = 32,395.18/x
  3. Step 3: Cross multiply
    76,768.42x = 115,168.35 × 32,395.18
  4. Step 4: Simplify right side
    76,768.42x = 3,730,899,428.55
  5. Step 5: Solve for x
    x = 3,730,899,428.55/76,768.42
  6. Step 6: Final answer
    x = 48,599.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.