Home / 72,537.03-108,836.52-40,970.79

Finding the Fourth Proportional to 72,537.03, 108,836.52 and 40,970.79

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Solution

The fourth proportional to 72,537.03, 108,836.52 and 40,970.79 is: 61,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,537.03 : 108,836.52 = 40,970.79 : x
  2. Step 2: Convert to fraction form
    72,537.03/108,836.52 = 40,970.79/x
  3. Step 3: Cross multiply
    72,537.03x = 108,836.52 × 40,970.79
  4. Step 4: Simplify right side
    72,537.03x = 4,459,118,205.25
  5. Step 5: Solve for x
    x = 4,459,118,205.25/72,537.03
  6. Step 6: Final answer
    x = 61,473.68

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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.