Home / 72,350.52-99,845.09-40,519.34

Finding the Fourth Proportional to 72,350.52, 99,845.09 and 40,519.34

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Solution

The fourth proportional to 72,350.52, 99,845.09 and 40,519.34 is: 55,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.52 : 99,845.09 = 40,519.34 : x
  2. Step 2: Convert to fraction form
    72,350.52/99,845.09 = 40,519.34/x
  3. Step 3: Cross multiply
    72,350.52x = 99,845.09 × 40,519.34
  4. Step 4: Simplify right side
    72,350.52x = 4,045,657,149.04
  5. Step 5: Solve for x
    x = 4,045,657,149.04/72,350.52
  6. Step 6: Final answer
    x = 55,917.46

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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.