Home / 75,655.92-113,270.52-40,036.56

Finding the Fourth Proportional to 75,655.92, 113,270.52 and 40,036.56

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Solution

The fourth proportional to 75,655.92, 113,270.52 and 40,036.56 is: 59,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,655.92 : 113,270.52 = 40,036.56 : x
  2. Step 2: Convert to fraction form
    75,655.92/113,270.52 = 40,036.56/x
  3. Step 3: Cross multiply
    75,655.92x = 113,270.52 × 40,036.56
  4. Step 4: Simplify right side
    75,655.92x = 4,534,961,970.21
  5. Step 5: Solve for x
    x = 4,534,961,970.21/75,655.92
  6. Step 6: Final answer
    x = 59,941.93

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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.