Home / 72,292.43-99,763.55-40,461.33

Finding the Fourth Proportional to 72,292.43, 99,763.55 and 40,461.33

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Solution

The fourth proportional to 72,292.43, 99,763.55 and 40,461.33 is: 55,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292.43 : 99,763.55 = 40,461.33 : x
  2. Step 2: Convert to fraction form
    72,292.43/99,763.55 = 40,461.33/x
  3. Step 3: Cross multiply
    72,292.43x = 99,763.55 × 40,461.33
  4. Step 4: Simplify right side
    72,292.43x = 4,036,565,716.21
  5. Step 5: Solve for x
    x = 4,036,565,716.21/72,292.43
  6. Step 6: Final answer
    x = 55,836.63

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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.