Home / 100,002.10-149,801.55-62,446.90

Finding the Fourth Proportional to 100,002.10, 149,801.55 and 62,446.90

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Solution

The fourth proportional to 100,002.10, 149,801.55 and 62,446.90 is: 93,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,002.10 : 149,801.55 = 62,446.90 : x
  2. Step 2: Convert to fraction form
    100,002.10/149,801.55 = 62,446.90/x
  3. Step 3: Cross multiply
    100,002.10x = 149,801.55 × 62,446.90
  4. Step 4: Simplify right side
    100,002.10x = 9,354,642,412.70
  5. Step 5: Solve for x
    x = 9,354,642,412.70/100,002.10
  6. Step 6: Final answer
    x = 93,544.46

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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.