Home / 65,623.32-90,560.18-35,815.32

Finding the Fourth Proportional to 65,623.32, 90,560.18 and 35,815.32

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Solution

The fourth proportional to 65,623.32, 90,560.18 and 35,815.32 is: 49,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,623.32 : 90,560.18 = 35,815.32 : x
  2. Step 2: Convert to fraction form
    65,623.32/90,560.18 = 35,815.32/x
  3. Step 3: Cross multiply
    65,623.32x = 90,560.18 × 35,815.32
  4. Step 4: Simplify right side
    65,623.32x = 3,243,441,646.88
  5. Step 5: Solve for x
    x = 3,243,441,646.88/65,623.32
  6. Step 6: Final answer
    x = 49,425.14

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1.5x scale

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.