Home / 77,430.68-116,217.30-47,906.18

Finding the Fourth Proportional to 77,430.68, 116,217.30 and 47,906.18

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Solution

The fourth proportional to 77,430.68, 116,217.30 and 47,906.18 is: 71,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,430.68 : 116,217.30 = 47,906.18 : x
  2. Step 2: Convert to fraction form
    77,430.68/116,217.30 = 47,906.18/x
  3. Step 3: Cross multiply
    77,430.68x = 116,217.30 × 47,906.18
  4. Step 4: Simplify right side
    77,430.68x = 5,567,526,892.91
  5. Step 5: Solve for x
    x = 5,567,526,892.91/77,430.68
  6. Step 6: Final answer
    x = 71,903.37

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1.5x scale

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.