Home / 48,098.08-66,378.72-31,331.08

Finding the Fourth Proportional to 48,098.08, 66,378.72 and 31,331.08

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Solution

The fourth proportional to 48,098.08, 66,378.72 and 31,331.08 is: 43,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,098.08 : 66,378.72 = 31,331.08 : x
  2. Step 2: Convert to fraction form
    48,098.08/66,378.72 = 31,331.08/x
  3. Step 3: Cross multiply
    48,098.08x = 66,378.72 × 31,331.08
  4. Step 4: Simplify right side
    48,098.08x = 2,079,716,986.62
  5. Step 5: Solve for x
    x = 2,079,716,986.62/48,098.08
  6. Step 6: Final answer
    x = 43,239.09

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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.