Home / 75,762.86-113,677.11-40,661.51

Finding the Fourth Proportional to 75,762.86, 113,677.11 and 40,661.51

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Solution

The fourth proportional to 75,762.86, 113,677.11 and 40,661.51 is: 61,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,762.86 : 113,677.11 = 40,661.51 : x
  2. Step 2: Convert to fraction form
    75,762.86/113,677.11 = 40,661.51/x
  3. Step 3: Cross multiply
    75,762.86x = 113,677.11 × 40,661.51
  4. Step 4: Simplify right side
    75,762.86x = 4,622,282,376.65
  5. Step 5: Solve for x
    x = 4,622,282,376.65/75,762.86
  6. Step 6: Final answer
    x = 61,009.88

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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.