Home / 77,634.42-116,457.17-20,708.00

Finding the Fourth Proportional to 77,634.42, 116,457.17 and 20,708.00

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Solution

The fourth proportional to 77,634.42, 116,457.17 and 20,708.00 is: 31,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634.42 : 116,457.17 = 20,708.00 : x
  2. Step 2: Convert to fraction form
    77,634.42/116,457.17 = 20,708.00/x
  3. Step 3: Cross multiply
    77,634.42x = 116,457.17 × 20,708.00
  4. Step 4: Simplify right side
    77,634.42x = 2,411,595,496.88
  5. Step 5: Solve for x
    x = 2,411,595,496.88/77,634.42
  6. Step 6: Final answer
    x = 31,063.48

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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.