Home / 72,125.76-99,526.44-40,293.96

Finding the Fourth Proportional to 72,125.76, 99,526.44 and 40,293.96

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Solution

The fourth proportional to 72,125.76, 99,526.44 and 40,293.96 is: 55,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125.76 : 99,526.44 = 40,293.96 : x
  2. Step 2: Convert to fraction form
    72,125.76/99,526.44 = 40,293.96/x
  3. Step 3: Cross multiply
    72,125.76x = 99,526.44 × 40,293.96
  4. Step 4: Simplify right side
    72,125.76x = 4,010,314,392.30
  5. Step 5: Solve for x
    x = 4,010,314,392.30/72,125.76
  6. Step 6: Final answer
    x = 55,601.69

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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.