Home / 53,775.64-74,105.58-40,362.04

Finding the Fourth Proportional to 53,775.64, 74,105.58 and 40,362.04

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Solution

The fourth proportional to 53,775.64, 74,105.58 and 40,362.04 is: 55,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,775.64 : 74,105.58 = 40,362.04 : x
  2. Step 2: Convert to fraction form
    53,775.64/74,105.58 = 40,362.04/x
  3. Step 3: Cross multiply
    53,775.64x = 74,105.58 × 40,362.04
  4. Step 4: Simplify right side
    53,775.64x = 2,991,052,384.18
  5. Step 5: Solve for x
    x = 2,991,052,384.18/53,775.64
  6. Step 6: Final answer
    x = 55,620.95

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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.