Home / 97,440.64-134,471.92-55,000.64

Finding the Fourth Proportional to 97,440.64, 134,471.92 and 55,000.64

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Solution

The fourth proportional to 97,440.64, 134,471.92 and 55,000.64 is: 75,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,440.64 : 134,471.92 = 55,000.64 : x
  2. Step 2: Convert to fraction form
    97,440.64/134,471.92 = 55,000.64/x
  3. Step 3: Cross multiply
    97,440.64x = 134,471.92 × 55,000.64
  4. Step 4: Simplify right side
    97,440.64x = 7,396,041,662.03
  5. Step 5: Solve for x
    x = 7,396,041,662.03/97,440.64
  6. Step 6: Final answer
    x = 75,903.05

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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.