Home / 45,824.10-68,736.15-42,908.10

Finding the Fourth Proportional to 45,824.10, 68,736.15 and 42,908.10

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Solution

The fourth proportional to 45,824.10, 68,736.15 and 42,908.10 is: 64,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.10 : 68,736.15 = 42,908.10 : x
  2. Step 2: Convert to fraction form
    45,824.10/68,736.15 = 42,908.10/x
  3. Step 3: Cross multiply
    45,824.10x = 68,736.15 × 42,908.10
  4. Step 4: Simplify right side
    45,824.10x = 2,949,337,597.82
  5. Step 5: Solve for x
    x = 2,949,337,597.82/45,824.10
  6. Step 6: Final answer
    x = 64,362.15

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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.