Home / 91,620.46-137,405.10-32,440.24

Finding the Fourth Proportional to 91,620.46, 137,405.10 and 32,440.24

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Solution

The fourth proportional to 91,620.46, 137,405.10 and 32,440.24 is: 48,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,620.46 : 137,405.10 = 32,440.24 : x
  2. Step 2: Convert to fraction form
    91,620.46/137,405.10 = 32,440.24/x
  3. Step 3: Cross multiply
    91,620.46x = 137,405.10 × 32,440.24
  4. Step 4: Simplify right side
    91,620.46x = 4,457,454,421.22
  5. Step 5: Solve for x
    x = 4,457,454,421.22/91,620.46
  6. Step 6: Final answer
    x = 48,651.30

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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.