Home / 54,465.30-81,697.95-43,311.60

Finding the Fourth Proportional to 54,465.30, 81,697.95 and 43,311.60

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Solution

The fourth proportional to 54,465.30, 81,697.95 and 43,311.60 is: 64,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,465.30 : 81,697.95 = 43,311.60 : x
  2. Step 2: Convert to fraction form
    54,465.30/81,697.95 = 43,311.60/x
  3. Step 3: Cross multiply
    54,465.30x = 81,697.95 × 43,311.60
  4. Step 4: Simplify right side
    54,465.30x = 3,538,468,931.22
  5. Step 5: Solve for x
    x = 3,538,468,931.22/54,465.30
  6. Step 6: Final answer
    x = 64,967.40

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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.