Home / 72,985.61-100,717.08-41,157.47

Finding the Fourth Proportional to 72,985.61, 100,717.08 and 41,157.47

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Solution

The fourth proportional to 72,985.61, 100,717.08 and 41,157.47 is: 56,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,985.61 : 100,717.08 = 41,157.47 : x
  2. Step 2: Convert to fraction form
    72,985.61/100,717.08 = 41,157.47/x
  3. Step 3: Cross multiply
    72,985.61x = 100,717.08 × 41,157.47
  4. Step 4: Simplify right side
    72,985.61x = 4,145,260,198.59
  5. Step 5: Solve for x
    x = 4,145,260,198.59/72,985.61
  6. Step 6: Final answer
    x = 56,795.58

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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.