Home / 72,437.03-108,634.48-28,053.89

Finding the Fourth Proportional to 72,437.03, 108,634.48 and 28,053.89

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Solution

The fourth proportional to 72,437.03, 108,634.48 and 28,053.89 is: 42,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,437.03 : 108,634.48 = 28,053.89 : x
  2. Step 2: Convert to fraction form
    72,437.03/108,634.48 = 28,053.89/x
  3. Step 3: Cross multiply
    72,437.03x = 108,634.48 × 28,053.89
  4. Step 4: Simplify right side
    72,437.03x = 3,047,619,752.13
  5. Step 5: Solve for x
    x = 3,047,619,752.13/72,437.03
  6. Step 6: Final answer
    x = 42,072.68

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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.