Home / 99,308.16-148,915.32-36,084.21

Finding the Fourth Proportional to 99,308.16, 148,915.32 and 36,084.21

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Solution

The fourth proportional to 99,308.16, 148,915.32 and 36,084.21 is: 54,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,308.16 : 148,915.32 = 36,084.21 : x
  2. Step 2: Convert to fraction form
    99,308.16/148,915.32 = 36,084.21/x
  3. Step 3: Cross multiply
    99,308.16x = 148,915.32 × 36,084.21
  4. Step 4: Simplify right side
    99,308.16x = 5,373,491,679.10
  5. Step 5: Solve for x
    x = 5,373,491,679.10/99,308.16
  6. Step 6: Final answer
    x = 54,109.27

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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.