Home / 65,655.22-90,477.79-47,721.82

Finding the Fourth Proportional to 65,655.22, 90,477.79 and 47,721.82

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Solution

The fourth proportional to 65,655.22, 90,477.79 and 47,721.82 is: 65,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655.22 : 90,477.79 = 47,721.82 : x
  2. Step 2: Convert to fraction form
    65,655.22/90,477.79 = 47,721.82/x
  3. Step 3: Cross multiply
    65,655.22x = 90,477.79 × 47,721.82
  4. Step 4: Simplify right side
    65,655.22x = 4,317,764,808.38
  5. Step 5: Solve for x
    x = 4,317,764,808.38/65,655.22
  6. Step 6: Final answer
    x = 65,764.23

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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.