Home / 72,548.31-108,794.44-28,169.07

Finding the Fourth Proportional to 72,548.31, 108,794.44 and 28,169.07

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Solution

The fourth proportional to 72,548.31, 108,794.44 and 28,169.07 is: 42,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,548.31 : 108,794.44 = 28,169.07 : x
  2. Step 2: Convert to fraction form
    72,548.31/108,794.44 = 28,169.07/x
  3. Step 3: Cross multiply
    72,548.31x = 108,794.44 × 28,169.07
  4. Step 4: Simplify right side
    72,548.31x = 3,064,637,823.20
  5. Step 5: Solve for x
    x = 3,064,637,823.20/72,548.31
  6. Step 6: Final answer
    x = 42,242.72

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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.