Home / 72,005.72-108,032.26-34,071.28

Finding the Fourth Proportional to 72,005.72, 108,032.26 and 34,071.28

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Solution

The fourth proportional to 72,005.72, 108,032.26 and 34,071.28 is: 51,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,005.72 : 108,032.26 = 34,071.28 : x
  2. Step 2: Convert to fraction form
    72,005.72/108,032.26 = 34,071.28/x
  3. Step 3: Cross multiply
    72,005.72x = 108,032.26 × 34,071.28
  4. Step 4: Simplify right side
    72,005.72x = 3,680,797,379.49
  5. Step 5: Solve for x
    x = 3,680,797,379.49/72,005.72
  6. Step 6: Final answer
    x = 51,118.12

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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.