Home / 90,914.40-136,404.50-46,562.04

Finding the Fourth Proportional to 90,914.40, 136,404.50 and 46,562.04

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Solution

The fourth proportional to 90,914.40, 136,404.50 and 46,562.04 is: 69,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,914.40 : 136,404.50 = 46,562.04 : x
  2. Step 2: Convert to fraction form
    90,914.40/136,404.50 = 46,562.04/x
  3. Step 3: Cross multiply
    90,914.40x = 136,404.50 × 46,562.04
  4. Step 4: Simplify right side
    90,914.40x = 6,351,271,785.18
  5. Step 5: Solve for x
    x = 6,351,271,785.18/90,914.40
  6. Step 6: Final answer
    x = 69,859.91

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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.