Home / 77,770.06-116,654.34-35,638.20

Finding the Fourth Proportional to 77,770.06, 116,654.34 and 35,638.20

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Solution

The fourth proportional to 77,770.06, 116,654.34 and 35,638.20 is: 53,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,770.06 : 116,654.34 = 35,638.20 : x
  2. Step 2: Convert to fraction form
    77,770.06/116,654.34 = 35,638.20/x
  3. Step 3: Cross multiply
    77,770.06x = 116,654.34 × 35,638.20
  4. Step 4: Simplify right side
    77,770.06x = 4,157,350,699.79
  5. Step 5: Solve for x
    x = 4,157,350,699.79/77,770.06
  6. Step 6: Final answer
    x = 53,456.96

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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.