Home / 90,236.04-135,338.67-37,631.40

Finding the Fourth Proportional to 90,236.04, 135,338.67 and 37,631.40

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Solution

The fourth proportional to 90,236.04, 135,338.67 and 37,631.40 is: 56,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,236.04 : 135,338.67 = 37,631.40 : x
  2. Step 2: Convert to fraction form
    90,236.04/135,338.67 = 37,631.40/x
  3. Step 3: Cross multiply
    90,236.04x = 135,338.67 × 37,631.40
  4. Step 4: Simplify right side
    90,236.04x = 5,092,983,626.24
  5. Step 5: Solve for x
    x = 5,092,983,626.24/90,236.04
  6. Step 6: Final answer
    x = 56,440.68

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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.