Home / 96,989.04-133,881.12-63,455.04

Finding the Fourth Proportional to 96,989.04, 133,881.12 and 63,455.04

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Solution

The fourth proportional to 96,989.04, 133,881.12 and 63,455.04 is: 87,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.04 : 133,881.12 = 63,455.04 : x
  2. Step 2: Convert to fraction form
    96,989.04/133,881.12 = 63,455.04/x
  3. Step 3: Cross multiply
    96,989.04x = 133,881.12 × 63,455.04
  4. Step 4: Simplify right side
    96,989.04x = 8,495,431,824.84
  5. Step 5: Solve for x
    x = 8,495,431,824.84/96,989.04
  6. Step 6: Final answer
    x = 87,591.67

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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.