Home / 52,622.32-78,549.60-45,979.24

Finding the Fourth Proportional to 52,622.32, 78,549.60 and 45,979.24

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Solution

The fourth proportional to 52,622.32, 78,549.60 and 45,979.24 is: 68,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,622.32 : 78,549.60 = 45,979.24 : x
  2. Step 2: Convert to fraction form
    52,622.32/78,549.60 = 45,979.24/x
  3. Step 3: Cross multiply
    52,622.32x = 78,549.60 × 45,979.24
  4. Step 4: Simplify right side
    52,622.32x = 3,611,651,025.25
  5. Step 5: Solve for x
    x = 3,611,651,025.25/52,622.32
  6. Step 6: Final answer
    x = 68,633.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.