Home / 90,526.18-135,789.27-48,278.27

Finding the Fourth Proportional to 90,526.18, 135,789.27 and 48,278.27

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Solution

The fourth proportional to 90,526.18, 135,789.27 and 48,278.27 is: 72,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,526.18 : 135,789.27 = 48,278.27 : x
  2. Step 2: Convert to fraction form
    90,526.18/135,789.27 = 48,278.27/x
  3. Step 3: Cross multiply
    90,526.18x = 135,789.27 × 48,278.27
  4. Step 4: Simplify right side
    90,526.18x = 6,555,670,361.22
  5. Step 5: Solve for x
    x = 6,555,670,361.22/90,526.18
  6. Step 6: Final answer
    x = 72,417.40

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1.5x scale

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.