Home / 65,904.12-98,756.42-43,637.76

Finding the Fourth Proportional to 65,904.12, 98,756.42 and 43,637.76

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Solution

The fourth proportional to 65,904.12, 98,756.42 and 43,637.76 is: 65,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.12 : 98,756.42 = 43,637.76 : x
  2. Step 2: Convert to fraction form
    65,904.12/98,756.42 = 43,637.76/x
  3. Step 3: Cross multiply
    65,904.12x = 98,756.42 × 43,637.76
  4. Step 4: Simplify right side
    65,904.12x = 4,309,508,736.23
  5. Step 5: Solve for x
    x = 4,309,508,736.23/65,904.12
  6. Step 6: Final answer
    x = 65,390.58

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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.