Home / 69,885.03-96,439.23-38,840.19

Finding the Fourth Proportional to 69,885.03, 96,439.23 and 38,840.19

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Solution

The fourth proportional to 69,885.03, 96,439.23 and 38,840.19 is: 53,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,885.03 : 96,439.23 = 38,840.19 : x
  2. Step 2: Convert to fraction form
    69,885.03/96,439.23 = 38,840.19/x
  3. Step 3: Cross multiply
    69,885.03x = 96,439.23 × 38,840.19
  4. Step 4: Simplify right side
    69,885.03x = 3,745,718,016.65
  5. Step 5: Solve for x
    x = 3,745,718,016.65/69,885.03
  6. Step 6: Final answer
    x = 53,598.29

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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.