Home / 72,087.03-108,000.95-43,992.45

Finding the Fourth Proportional to 72,087.03, 108,000.95 and 43,992.45

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Solution

The fourth proportional to 72,087.03, 108,000.95 and 43,992.45 is: 65,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,087.03 : 108,000.95 = 43,992.45 : x
  2. Step 2: Convert to fraction form
    72,087.03/108,000.95 = 43,992.45/x
  3. Step 3: Cross multiply
    72,087.03x = 108,000.95 × 43,992.45
  4. Step 4: Simplify right side
    72,087.03x = 4,751,226,172.87
  5. Step 5: Solve for x
    x = 4,751,226,172.87/72,087.03
  6. Step 6: Final answer
    x = 65,909.58

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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.