Home / 42,806.81-64,168.09-25,014.89

Finding the Fourth Proportional to 42,806.81, 64,168.09 and 25,014.89

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Solution

The fourth proportional to 42,806.81, 64,168.09 and 25,014.89 is: 37,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806.81 : 64,168.09 = 25,014.89 : x
  2. Step 2: Convert to fraction form
    42,806.81/64,168.09 = 25,014.89/x
  3. Step 3: Cross multiply
    42,806.81x = 64,168.09 × 25,014.89
  4. Step 4: Simplify right side
    42,806.81x = 1,605,157,712.86
  5. Step 5: Solve for x
    x = 1,605,157,712.86/42,806.81
  6. Step 6: Final answer
    x = 37,497.72

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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.