Home / 48,188.88-66,438.71-31,163.08

Finding the Fourth Proportional to 48,188.88, 66,438.71 and 31,163.08

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Solution

The fourth proportional to 48,188.88, 66,438.71 and 31,163.08 is: 42,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,188.88 : 66,438.71 = 31,163.08 : x
  2. Step 2: Convert to fraction form
    48,188.88/66,438.71 = 31,163.08/x
  3. Step 3: Cross multiply
    48,188.88x = 66,438.71 × 31,163.08
  4. Step 4: Simplify right side
    48,188.88x = 2,070,434,834.83
  5. Step 5: Solve for x
    x = 2,070,434,834.83/48,188.88
  6. Step 6: Final answer
    x = 42,964.99

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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.