Home / 77,289.12-106,656.92-45,459.96

Finding the Fourth Proportional to 77,289.12, 106,656.92 and 45,459.96

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Solution

The fourth proportional to 77,289.12, 106,656.92 and 45,459.96 is: 62,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.12 : 106,656.92 = 45,459.96 : x
  2. Step 2: Convert to fraction form
    77,289.12/106,656.92 = 45,459.96/x
  3. Step 3: Cross multiply
    77,289.12x = 106,656.92 × 45,459.96
  4. Step 4: Simplify right side
    77,289.12x = 4,848,619,316.92
  5. Step 5: Solve for x
    x = 4,848,619,316.92/77,289.12
  6. Step 6: Final answer
    x = 62,733.53

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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.