Home / 90,604.86-125,025.57-52,900.98

Finding the Fourth Proportional to 90,604.86, 125,025.57 and 52,900.98

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Solution

The fourth proportional to 90,604.86, 125,025.57 and 52,900.98 is: 72,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,604.86 : 125,025.57 = 52,900.98 : x
  2. Step 2: Convert to fraction form
    90,604.86/125,025.57 = 52,900.98/x
  3. Step 3: Cross multiply
    90,604.86x = 125,025.57 × 52,900.98
  4. Step 4: Simplify right side
    90,604.86x = 6,613,975,178.06
  5. Step 5: Solve for x
    x = 6,613,975,178.06/90,604.86
  6. Step 6: Final answer
    x = 72,998.02

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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.