Home / 69,045.21-95,285.84-38,840.04

Finding the Fourth Proportional to 69,045.21, 95,285.84 and 38,840.04

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Solution

The fourth proportional to 69,045.21, 95,285.84 and 38,840.04 is: 53,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,045.21 : 95,285.84 = 38,840.04 : x
  2. Step 2: Convert to fraction form
    69,045.21/95,285.84 = 38,840.04/x
  3. Step 3: Cross multiply
    69,045.21x = 95,285.84 × 38,840.04
  4. Step 4: Simplify right side
    69,045.21x = 3,700,905,642.83
  5. Step 5: Solve for x
    x = 3,700,905,642.83/69,045.21
  6. Step 6: Final answer
    x = 53,601.19

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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.