Home / 72,658.20-108,987.30-46,284.60

Finding the Fourth Proportional to 72,658.20, 108,987.30 and 46,284.60

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Solution

The fourth proportional to 72,658.20, 108,987.30 and 46,284.60 is: 69,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,658.20 : 108,987.30 = 46,284.60 : x
  2. Step 2: Convert to fraction form
    72,658.20/108,987.30 = 46,284.60/x
  3. Step 3: Cross multiply
    72,658.20x = 108,987.30 × 46,284.60
  4. Step 4: Simplify right side
    72,658.20x = 5,044,433,585.58
  5. Step 5: Solve for x
    x = 5,044,433,585.58/72,658.20
  6. Step 6: Final answer
    x = 69,426.90

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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.