Home / 72,020.97-99,373.02-41,788.77

Finding the Fourth Proportional to 72,020.97, 99,373.02 and 41,788.77

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Solution

The fourth proportional to 72,020.97, 99,373.02 and 41,788.77 is: 57,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,020.97 : 99,373.02 = 41,788.77 : x
  2. Step 2: Convert to fraction form
    72,020.97/99,373.02 = 41,788.77/x
  3. Step 3: Cross multiply
    72,020.97x = 99,373.02 × 41,788.77
  4. Step 4: Simplify right side
    72,020.97x = 4,152,676,276.99
  5. Step 5: Solve for x
    x = 4,152,676,276.99/72,020.97
  6. Step 6: Final answer
    x = 57,659.27

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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.