Home / 72,837.79-100,518.02-41,007.82

Finding the Fourth Proportional to 72,837.79, 100,518.02 and 41,007.82

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Solution

The fourth proportional to 72,837.79, 100,518.02 and 41,007.82 is: 56,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,837.79 : 100,518.02 = 41,007.82 : x
  2. Step 2: Convert to fraction form
    72,837.79/100,518.02 = 41,007.82/x
  3. Step 3: Cross multiply
    72,837.79x = 100,518.02 × 41,007.82
  4. Step 4: Simplify right side
    72,837.79x = 4,122,024,870.92
  5. Step 5: Solve for x
    x = 4,122,024,870.92/72,837.79
  6. Step 6: Final answer
    x = 56,591.84

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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.