Home / 90,651.15-125,096.40-52,925.40

Finding the Fourth Proportional to 90,651.15, 125,096.40 and 52,925.40

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Solution

The fourth proportional to 90,651.15, 125,096.40 and 52,925.40 is: 73,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,651.15 : 125,096.40 = 52,925.40 : x
  2. Step 2: Convert to fraction form
    90,651.15/125,096.40 = 52,925.40/x
  3. Step 3: Cross multiply
    90,651.15x = 125,096.40 × 52,925.40
  4. Step 4: Simplify right side
    90,651.15x = 6,620,777,008.56
  5. Step 5: Solve for x
    x = 6,620,777,008.56/90,651.15
  6. Step 6: Final answer
    x = 73,035.78

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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.