Home / 77,405.85-106,829.96-45,577.71

Finding the Fourth Proportional to 77,405.85, 106,829.96 and 45,577.71

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Solution

The fourth proportional to 77,405.85, 106,829.96 and 45,577.71 is: 62,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,405.85 : 106,829.96 = 45,577.71 : x
  2. Step 2: Convert to fraction form
    77,405.85/106,829.96 = 45,577.71/x
  3. Step 3: Cross multiply
    77,405.85x = 106,829.96 × 45,577.71
  4. Step 4: Simplify right side
    77,405.85x = 4,869,064,708.30
  5. Step 5: Solve for x
    x = 4,869,064,708.30/77,405.85
  6. Step 6: Final answer
    x = 62,903.06

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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.