Home / 77,308.12-106,700.34-45,504.28

Finding the Fourth Proportional to 77,308.12, 106,700.34 and 45,504.28

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Solution

The fourth proportional to 77,308.12, 106,700.34 and 45,504.28 is: 62,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,308.12 : 106,700.34 = 45,504.28 : x
  2. Step 2: Convert to fraction form
    77,308.12/106,700.34 = 45,504.28/x
  3. Step 3: Cross multiply
    77,308.12x = 106,700.34 × 45,504.28
  4. Step 4: Simplify right side
    77,308.12x = 4,855,322,147.46
  5. Step 5: Solve for x
    x = 4,855,322,147.46/77,308.12
  6. Step 6: Final answer
    x = 62,804.81

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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.